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Home My WebLink About2.0 Supplemental Submittal Info@(lllj I -\L,rt*d" /.fu y',a*flzd*rl ,,..rrrrl/ ,u )'l l,ru ,6 attt /'4/ May 2,2005 Folder No. 02207-98 'I'ERRELL A. DOBKINS IJ\ITERO RESORCES II CORPORATION 1625 r7'n srREET, THIRD FLooR T)ENVER, CO 80202 Proposed Assignment of Agreement Audit No. 231358 covenng a Pnvate Road Crossing at Mile Post 382.99 on the Glenwood Spnngs Subdivision at or near Rifle, Garfield County, Colorado. ttear Mr. Dobkins: Aftached are triplicate onginals of Assignment Agreement covering the assigrrment of the above- mentioned agreement. Please RETURN ALL COPIES of the documents for execution on behalf of the Railroad Company. Your copy of the fully-executed document will be returned to you once executed by the Railroad Company. Also" please provtde a resolution or other authorization for the party executing the documents, i f necessary. Payment in the amount of $1,000.00 was received May 2, 2005, via your Check No. I 172. [f you require formal billing, you may consider this letter as a formal bill. ln compliance with the Internal Revenue Seryice's policy regarding their Form 1099, I certifu that 94-6001323 is the Railroad Company's correct Federal Taxpayer Identification Number and that UNION PACIFIC RAII-ROAD COMPANY is doing business as a corporation. Sincerely yqurs, rufi* Bill Ince Manager - Contracts - Real Estate (402) s44-8498 Real f,state UNION PACIFIC RAILROAD l{00 Douglas Street, Stop lti90 Omaha, Nebraska 68179-1690 fx. (402) 501 -0340 ,\sslcN.Doc 980120 l;orm Approved, AVP-Law ASSIGNI}IEN T AGREEMENT NORTH BA-NIK I{OLDI}{GS, L-L-c., a Colorado limited liabiliry corporation, to be addressedal P'o' Drawer 790, Glenwood Spnn-es, Colorado, (hereinafter "Assignor") ,nJ t1rroN pAC1FICRATLRoAD coNrPANY, a Delaware corporation (hereinafter "Railr-oad"), oi their predecessors ininterest, have heretofore entered into an agreement dated September 26, zooj, U.anng Railroad,s AuditNumber 231358 (hereinafter "Basic Asreement") coverinj a private road crossing Iocated at Rifle.C,>lorado. Effective as of Aprii 15.2005, the Assigaor does hereby sell. assign. transfer and set over. untoANTERO RESORCES tr CORPORATION, a Colorado corporation, to be addresr.a ui iaii tiiiSh'eet, Third Floor, Denver, Coiorado 80202 (hereinafter "Assignee") it or er'gror,s right, title andinterest in and to the Basic Agreement including any supplement or amendment therlto (if any). The Assrgnee hereby accePts the above Assignment and agrees to be bound by and to performan<l observe fully and faithfully all of the covenants, stipulations and conditions contained in the BasicAgreement and any supplement or amendment thereto (if any) to be performed and observed by theAssignor and assumes all liabilities and obligations mentioned in irre Basic Agreement and anysupplement or amendment thereto (if any) to be assumed by the Assignor. Assig;ee represents andwalrants to Railroad that Assignee has purchased and is the ownerof all improrr.-"it, locaied on, in orunder the premises leased under the Basic Agreement. The Railroad, in consideration of the covenants and agreements of the Assignor and the Assignee here:in contained, gives its consent to the aforesaid Assignment; PROVIDED, howier, that such consentshall not be deemed or construed to authorize any fi.rther assignment of the Basic Agreement, whethervolultary, by operation of law, or otherwise, wjthout the prior consent rn rvntrng of-the Railroad; andPRC)VIDED, FURTHER, that as between the Assignor and the Railroad, neithei said Assignment noranything herein contained shall be construed as releasing the Assignor, in the event of d.efault byAssigrree. from the obligation to perform all of the covenants contained in the Basic Agreement or anysupplement or amendment thereto (if any) to be performed by the Assignor, or from any of the liabilities assumed by the Assignor under said agreement(s). The Assignee, when returning this agreement signed by the Assignor and Assignee, shal-l pay to Railroad an administrative handling charge of oNE THOUSAND DOLLARS ($1,000.60). Execrrted thrs /O\k day of //)ar, .200s April 15.2005 Folder No. 02207-98 AuditNo.23l358 ASSIGN.DOC 980220 Form Approved. AV?-I-aw I.]-I\ ION PACIFIC RAII,ROAD COMPANY AN'TERO RESORCES N CORPOR{TION Folder No. 02207-98 Audit No. 2313_58 nr, ,4rl/E/ ' NORTH BANK HOLD[\'GS. I,.L.C. T;tle: /Vt't*r o6<4 (Assignor) (Assignee) April 15.2005 By, l-itle: mo mzI € -{mFtn =m Izg o oc E =oz(!! zo{mI v m a 6zy! % j[i,I =r!azzz>6hEsqooo!=!!4!ZZZamHfrHflEIIfptigEitS;E?<?<Ftrlo<SirI=;EgEilEE;iEEs6i:E;qf;E4I3H!EE*iiE==il iESq aooz-Y'3 * i;iElsD zI a'd iiiiiiSi;ii*illiti:t;-i BBBBBeeeeBeEFBtsEeEEE EF iiiif !ii:;;::iii;;:?i6699 Jl N'-r-r-N-o o 9-'9{,e-LtttLb 6 @a oN6; Nozz {oo jNoI6---:a-Lbb6:b F F . N 6 6 o c 6 6 b a 6 o o;r I Fi E rEt sBq"qq"r" ill i 9i9PP99999999999e8oo 9 a 6 0 0 6 0 0 0 0 0 6 6 0 0 6 a o 6 > o o;i sfr Erii di g9 n! >> >> >>o> ,8 d6 ;a ;B6A E d'; ii i;q;l:! B: fir6BF TH 9i 3:;EE 3e 8J I'r3# Egg:fl'friEi c; gE H:! ;seig$gEE q Ee Bd;: o d, Fhor s :5 igPT I EP Egi E;EHEEp E il gd fiEH- f ,io B:E Ei #EE :Hq1; EC E!E EIFFE T;P; dF*: :1!d E;2z *4:F HII; isl4 de16 t- H' EH!i lfifl! "9 =PBXg H6U :Q ;5 I. o; =Y I,A B; 21 dk E? d E 6 6 E B3 16 6taIE t AWalsh &f,f,fi u[o@, nmp. I{ORTH BANK REsouRcEs JURrsDrcrIoML WET|-AND FrcuRE# **f, SAND & cRAvEL Drrrc pERMrr AERTAL irAp 3 E[d@d Sdaris rnd E BiDeda Irc. m c@lo$/ d srimm.il 6Eymv .$' F;*' E;, ' ill ','i .tA +-- rii [1 ,] il j 1 h [;z- B B o E \[ralsll Environmcnul Scicntists and Enginccrs, LL( urr rtolugr .lrti etrrinrnnrcttl a\,rltp:rti\ November 6,2006 Mr. Mark Gilfillan US Army Corps of Engineers Sacramento District Colorado/Gunnison Basin Office Aspinall Federal Building 402 RoodAvenue, Room 142 Grand Junction, Colorado 8 I 501 -2563 Re:Addenda to Request for Verification of Jurisdictional Delineation for the North bankResources Property, Rifl e, Colorado Dear Mr. Gilfillan: On behalf of Lafarge North America (Lafarge), Walsh Environmental Scientists and Engineers, LLC(Walsh), in response to the on-site wetland verification meeting that occurred on October 10, 2006, weare fbrmally requesting that you attach this addendum to the Revised Jurisdictional Determination requestsubmitted to your office on June 20, 2006. Your request to gather and document additional wetland dataduring the October 10,2006 on-site meeting indicates that additional jurisdictional wetlands are present. Site Conditions In addition to the jurisdictional waters, including wetlands identified in the June lO,2016report, additional wetlands were found adjacent to the north edge and east end of Stobaugh Ditch (Area 3). Thesewetlands are identified as Areas 14, 15,l6 and l7 on the attached mapping and data sheets. These areasare roughly located in the middle terrace of the site between Stobaugh bitcn areAged side-cast andgreasewood shrubland.to the north where regional irrigation tail waier is a major Influencing factor on thelocal ground table. Although a functional evaluation was not performed, it walsh,s opinion that the herbaceous wetlands and ditches present within the proposed"rnine cells are of low quality and functionalvalue. They are generally facultative in nature with a piedominance of saltgras s loiiticltiis spicata andthree-square bulrush (Schoenoplectus pungens), species that tend to coloniie disturbed, overly grazed orsaline sites. Methodology The Jurisdictional Delineation was conducted following the methodology enumerated in the l9g7 Corpsof Engineers Wetlands.Delineation Manu(tl (Environmental Laboratory', 19871. During the fieldinspection, representative soil borings were taken, dominant vegetation was recordeA a"na representativehydrologic indicators were noted in order to identify and docurient the presence ofjurisdictional watersof the U.S-, including wetlands within the foot-print of the proposed sand and grur"i op"rution on theproperty. Potentially jurisdictional areas were flagged in the fiild, Iabeled with-an alpha,/numeric designation, surveyed using sub-meter accuracy global positioning system (GpS) and adjusted usingaerial photography of the site . Because there was little variation in tle vegetation communities, saripledsoils, and characteristics within each area, WALSH determined that one representative data point wouldbe sufficient to record both wetland (positive) and upland (negative) condiiions in each area (refer toattached datasheets). other data points were taken at various points throughout the site to confirm the firstrepresentative point remained valid. 48118 Ptrrrl Easr Circle . SuiLo l08 Waters and wetlands on or immediately adjacent to the site were characterized. However, because they are not subject to impact from the proposed project or were isolated, they were not formally delineated or surveyed. However, these areas were mapped using aerial photography and proofed in the field following the methodology enumerated in the t9B7 Manual. These areas have been provided for reference on Figures 2 and3. Soils The Soil Survey of Rifle Area, Colorado (U .5. Soil Conservation Servicq I 985) was referenced for the soil types occurring on site which includes the Arvada-Torrifluvents-Heldt complex and Wann Series as discussed in the June 20,2006 report. All of these soil types appear on the Colorado List of Hydric Soils (usDA,2006). Representative soil borings were taken in potential wetland areas to determine the presence or absence of hydric soils, and in adjacent uplands to document the absence of hydric conditions (refer to attached Data Sheets). A visual inspection of the soil profile was analyzed for the presence of hydric soil characteristics (e.g., mottling oxidized roots, concretions and/or gleying). Soil hue, value, and chroma were compared to the Munsell Soil Color Charts (Kollmorgen, 1 990) to determine the presence of hydric soils. Representative soil borings in wetland Areas l4-17 had a soil hue, value, and chroma of lOyR 512, Sl1 and 412 with 7.5YR 5/8 mottling consisting of clay and silty clay to a depths of 0- I 6 inches. Organic streaking and a strong sulfidic odor were also indicators of hydric soils. Representative soil borings inspected to provide negative data in uplands areas adjacent to wetland Areas l4-l 7 hadasoil hue, value, and chroma of 10YR 512 and 514 with no or slight 7.5yR 5/8 mottling. Vegetation Vegetation in wetland Areas 1 4- I 7 generally consists of saltgrass (Distichtis spicata) and three-square bulrush (Schoenoplectus pungensl and alkali muhly (Muhlenbergia asperifulia) with minor occurrences of cattail Qypho latifolia), white heath asler (Aster ericoides), bushy knotweed (Polygonum r amos i s s imum) and bottlebrush squirreltail (Sit ani on hys trix) . Vegetation in adjacent upland Areas 14-17 (negative data) generally consists of saltgrass (Distichlis spicata), slender wheatgrass (Elltrnus trachycaulus), bottlebrush squirreltail (Sitanion hystrix),with occurrences of bushy knotweed (Polygonum ramosissimum), pigweed (Chenopodium berlandieri), and knapweed (C entauria spp.). A distinct break betweenthe Distichlis/ Schoenoplectus and Distichlis/ Elymzs plant communities was used to in addition to soils to differentiate wetlands and from uplands. Vegetation was identified to the species level to the extent possible. The National List of plant Species That Occur in Wetlands, Intermountain (Region 8) (Reed et. al., 1988) was referenced to determine the wetland indicator status for each plant. Hydrology Topographic depressions, inundation, standing water upslope from Stobaugh Ditch side-cast, saturated soils and the presence of hydric soil and hydrophytic vegetation indicate that wetland Areas I 4- 1 7 have supporting hydrology during the growing season. Poorly drained clayey and mottled soils also indicate a strong groundwater influence. Areas l6 and 17 are connected to natural channels to the north bv dewatering ditches and have surface connections back to Stobaugh Ditch and the Colorado River to the south. .ruRISDICTIONAL DETERMINATION In addition to the 2.50 acres of wetland documented in the June 20,2006 report, an additional 2.30 acres of palustrine emergent persistent (PEP) wetlands with indicators of hydrophytic vegetation, hydric soils and supporting hydrolory are present in Areas 14,15, l6 and 17. Because these areas are adjacent to and have a surface connection to the Colorado River and Stobaugh Ditch, a jurisdictional wetland connected and adjacent to the Colorado River, it is Walsh's opinion that these areas are jurisdictional wetlands (i.e., waters of the U.S.). Classification of wetlands and waters of the U.S. described herein are in accordance with the U.S. Fish and Wildlife Service (FWS), Classi/ication Systemfor Wetlands and Deepwater Hobitats (Cowardin et. al.,1979). Summary WALSH is formally requesting a Jurisdictional Determination from the USACE for the Waters of the U.S., (including wetlands) presented in the Jurisdictional Determination request dated June 20,2006 and this addendum. The wetland boundaries as identified on Figures 2 and3, Jurisdictional Wetland Maps indicate the wetland areas identified in the June, 2006 report and this addendum (Areas 14-16). Because we thoroughly reviewed and discussed site-wide wetland data during our site meeting on October 10,2006, it is our understanding that you will not need to make another site visit to verify these findings. However, if you do have any questions, please do not hesitate to contact me if you need clarification or additional information. Thank you for your time and consideration. I look forward to hearing from you at your earliest convenience. Sincerely, Walsh Environmental Scientists and Engineers, LLC l^)DY Jonathan B. Dauzvardis, PWS Restoration Ecologist Copies to:John Rozelle, Gustavson Associates, LLC Mark Vigil, Lafarge North America Meg McNulty, Lafarge North America Helen Migchelbrink, Lafarge North America Figures 2 and 3 - Jurisdictional Wetland Maps Data Sheets Resources t Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Determination Project/Site: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: lafarge North America County: Garfield Investigator: Jon Dauzvardis, P.W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 14 (Wetland) | t+-t to t+-e ls the site signilicantly disturbed (Atypical Situation)? Yes x No Field tocation/Sample Point: Northwest of corraVTP2l Is the area a potential Problem Area Yes Nox Vegetation Community: PEP o% of dominant species that are OBL, FACW and/or FAC (excluding FAC): 80% Remarks: Profile Descriplion: Deoth (inches)Matrix Color Mottle Color/Abundance 'fexture 0-10"l0YR5/2 7.5YR 5/8 clay I 0-t 6"l0YR5/2 and 5/l 7.5YR 5/8 silty clay Hydric Soils lndicators: E l-ow-Chrom:r Colors E Low-Chroma and Mottles El Sulfidic Odor tr Gleyed or l-ow-Chroma Colors EI Histic Epipedon E Concretions tr Hieh Organic Content (sandy)E Organic Streaking (sandy)E Alluvial Sands, Gravel or Cobble Remarks: Abundant mottling Is the gound surf-ace inundated?Yes E I Nom I Surfacewaterdepth: Is the soil saturated?Yes E I No O I Depth to Saturation: 10" Depth to free-slanding water in pit: Wetland HvdrolosY Indicators: Primarv Indicators:Secondary lndicators: E Inundated E Drift Lines tr Oxidized Root Channels in Upper 12 inches E Saturated in upper 12 inches El Sediment Deposits E Water-stained lraves D Water Marks E Drainage Patterns E Active Groundwater Re.arkrlt ""i,reO on ttre day of the evaluation and standing water was present. Inundation was not present during May site investigations. Abundant mottling and low chroma soils indicate persistent saturation. Hydrolory is inferred likely due to tail water/contact seepage liom adjacent upslope areas. Hydrophyic Vegetation Present?Yes x No Wetland Hydrology Present?Yes x No Hydrophyic Vegetation Dominant?Yes x No Is the plant community a wetland?Yes x No Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarks: P.\Wetland-E&TSpeciesWlcBride Habitat-Gustavson Gravel Permit.6252UD Addenda\Wetland Datasheet Area l4 TP2l Wet.doc f)ominant Plant Snecies:Stratum Indicator o/o Cover I)ominant Plant Soecies:Stratum Indicertor o/o Cover Aster airicoides H NI 20 Distichlis spicata H FAC+*t5 Polveonum ramos iss imum H FACU P Schoenonlectus Dunaens H OBL 65 Project/Site: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: l.afarge North America County: Garfietd Investigator: Jon Dauzvardis, P.W. S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 14 (Upland) Is the site significantly disturbed (Atypical Situation)? Yes x No Field t ocation/Sample Point: West of l4-2lTP22 Is the area a potential Problem Area Yes Nox Veeetation Community: UPL Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Soils Dominant Plant Species:Stratum Indicator 7o Cover Dominant Plant Species:Stratum lndicator %o Cover Aster airicoides H NI P Distichlis spicata H FAC+*l0 Elymus trachycaulus H FACU 20 Po lvsonum ramosiss imum H FACU P Sc hoenoplec tus pungens H OBL P Sitanion hystrix H UPL 70 o/o of dominant species that are OBL, FACW and/or FAC (excluding FAC): l0% Remarks: Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texture 0-16"r0YR5/2 7.5YR 5/8 clay Hvdric Soils Indicators: E Low-Chroma Colors El l-ow-Chroma and Mottles EI Sulfidic Odor E Gleyed or Lnw-Chroma Colors tr Histic Epipedon E Concretions tr Hish Orsanic Content (sandy)E Organic Streaking (sandy)tr Alluvial Sands, Gravel or Cobble R"rn.-kr, Oerse clay shows slight mottling. Area begins to slope up to the north into greasewood shrublands. Is the soil saturated? water in Wetland Cl Oxidized Root Channels in Upper l2 inches E Water-stained lravesE Saturated in upper 12 inches waterwaspreSent.SlightmottlingandlowchromasoilsindicateperiodicSaturation. J Determination Hydrophytic Ve getation Present?Yes x No Wetland Hydrology Present?Yes x No Hydrophltic Vegetation Dominant?Yes Nox Is the plant community a wetland?Yes Nox Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox encefromadjacentupslopeareas,butdoesnotmaintainadominarrceofwetland vegetation. P:\Wetland-E&TSpecies\lr4cBride Habitat-Gustavson Gravel Permit.6252UD Addenda\Wetland,Datasheet Area l4 TP22-Upl doc Project/Site: North Bank Resources Property Project No: 6252420 Date: October 10, 2006 Applicant/Owner: Lafarge North America County: Garfield Investigator: Jon Dauzvardis, P.W. S.State: Colorado Do normal circumstances exist on the site?Yes x No @ lts-ttots-zs ls the site sigaificantly disturbed (Atypical Situation)? Yes x No pietd tocationlSample Point: North of Stobaugh Ditch sidecast/TP23 Is the area a potential Problem Area Yes Nox Veeetation Communitv: PEP Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet "/, of do*irrnt species that are OBL, FACW and/or FAC (excluding FAC-):90% Remarks: Upland area immediately north of Wetland fuea l5 and similarly, Wetland Areas 16 is dominated by Elymus traclrycaulus. Distinct break Profile Description: Depth (inches)Matrix Color Mottle Col or/Abundance Texture 0-r 0"r 0YR5/2 7.5YR 5/8 clay l0-16"l0YR5/2 and 5/l 7.5YR 5/8 silty clay Hydric Soils lndicators: E Low-Chroma Colors EI Low-Chroma and Mottles EI Sulfidic Odor E Gleyed or L)w-Chroma CdgIS tr Histic Epipedon E Concretions tr Hieh Organic Content (sandY)El Organic Streaking (sandY)E Alluvial Sands, Gravel or Cobble Is the ground surface inundated?Yes tr | No O I Surface water depth: 0-1" ls the soil saturated?YesE I NoO I DepthtoSaturation: Depth to free-standing water in pit: Rain event precludes free-standing water measurement. Wetlend Hvdrolosv Indicators: Primarv Indicators:Secondarv Indicators: tr Inundated | tr Drift Lines tr Oxidized Root Channels in Upper l2 inches B Saturated in upper 12 inches E Sediment Deposits El Water-stained lraves E Water Marks E Drainage Patterns E Active Groundwater iAbundantmottlingandlowchromasoilsindicatepersistent saturation. Hydrolory is infeired likely due to tail watericon=tact seepage from adjacent upslope areas. Water accumulates down slope against ditch sidecast and in slight depression areas. Hydrophf i c Vegetation Present? Is the plant community a wetland?Hydrophlti c Vegetation Dominant? Is the area a Water of the U.S., excluding wetlands? p:\Wettand-E&TSpecies\McBride Habitat-Gustavson Gravel Permit.6252UD Addenda\Wetland-Datasheet-Area I 5,TP23-Wet.doc Dominant Plant Soecies:Stratum Indicator %o Cover Dominant Plant SDecies:Stratum lndicator o/o Cover Aster ericoides tI NI P Distichlis spicata H FAC+*50 Sc hoenoplec tus punqens H OBL 40 Sitanion hvstrix H TJPL l0 Tvoha latifolia IJ OBL P Walsh Environmental, lnc. - Jurisdictional Determination Data Sheet ProjecVSite: North Bank Resources Property Profect No: 6252-020 Date: October 10, 2006 Applicant/Owner: l.afarge North America County: Garfield Investigator: Jon Dauzvardis, P.W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot lD: Area l5 (Upland) Is the site significantly disturbed (Atypical Situation)'? Yes x No Field Locatior/Sample Point: North of l5-121'fP24 Is the area a potential Problem Area Yes Nox Vegetation Community: UPL %o of dominant species that are OBL, FACW and/or FAC (excluding FAC-):30% Remarks: Distinct break between Distichlis/Schoenoplectus wetland community and Distichlis/Elyn zs upland community. Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texture 0-16"10YR5i2 7.5YR 5/8 clay Hvdric Soils lndicators: El l.ow-Chroma Colors E Low-Chroma and Mottles | tr Sutfidic OOqt E Gleyed or Low-Chroma Colors tr Histic Epipedon E Concretions tr Hieh Organic Content (sandy)E Oreanic Streaking (sandy)E Alluvial Sands, Gravel or Cobble Remarks: Slight mottling and low chroma soils indicate periodic saturation. Area begins to slope up to the north. Is the ground surface inundated?YesE I Nom I Surfacewaterdepth: Is the soil saturated?YesE I Nom I DepthtoSaturation: Depth to free-standing water in pit: Wetland Hvdrolow Indicators: Primarv Indicators:Secondary Indicators: tr Inundated E Drift Lines tr Oxidized Root Channels in Upper 12 inches E Saturated in upper 12 inches E Sediment Deposits E Water-stained Leaves El Water Marks E Drainage Patterns E Active Groundwater Remarks: It rained on the day ofthe evaluation and standing water was present. Jurisdictional Determination Hydrophytic Vegetation Present?Yes x No Wetland Hydrology Present?Yes Nox Hydrophytic Vegetation Dominant?Yes Nox Is the plant community a wetland?Yes Nox Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox tailwater/contactinfluencefromadjacentupslopeareas,butdoesnotmaintaina dominance of lletland vegetation. P:\Wetland-E&TSpecies\McBride HabitalGustavson Gravel Permit.6252UD Addenda\Wetland_Datasheet_Area I 5,TP24-Upl.doc Dominant Plant Species:Stratum lndicator 7o Cover Dominant Plant Species:Stratum lndicator %o Cover Distichlis spicata H FAC+*30 Elvmus trachycaulus H FACU 70 Polvsonum ramosiss imum II FACU P Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Project/Site: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: lafarge North America County: Garfield Investigator: Jon Dauzvardis, P.W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 16lWetland) | 16-l to 16-44 Is the site sigrificantly disturbed (Atlpical Situation)? Yes x No Field locatior/Sample Point: North of Stobaugh Ditch sidecast/TP25 Is the area a potential Problem Area Yes Nox Vegetation Community:)EP 7o of dominant species that are OBL, FACW and/or FAC (excluding FAC): 100% Remarks: Upland area immediately north of area is dominated by Elymus trachycaulus. Distinct break between Distichlis/Schoenoplectus wetland Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texfure 0-l 0"r0YR4/2 7.5YR 5/8 clay r 0-1 6"l0YR4/2 7.5YR 5/8 silty clay Hydric Soils Indicators: EI Low-Chroma Colors El L,ow-Chroma and Mottles EI Sulfidic Odor EI Gleyed or [ow-Chroma Colors E Histic Epipedon E Concretions tr High Organic Content (sandv)El Organic Streakins (sandy)E Alluvial Sands, Gravel or Cobble Remarks: Abundant mottling low chrom4 organic streaking and sulphur smell indicate persistent saturation. Soils get drier as slope increases to the north. H Is the ground surface inundated?Yes E I No U I Surface water depth: 0-2" Is the soil saturated?YesB I Notr I DepthtoSaturation:0" Depth to Aee-stirnding water in pit: Rain event precludes free-standing water measurement. Wetland Hydrology Indicators: Primarv Indicators:Secondary Indicators: El Inundated E Drift Lines tr Oxidized Root Channels in Upper l2 inches El Saturated in upper 12 inches EI Sediment Deposits E Water-stained leaves E Water Marks I E Drainage Pattems EI Active Croundwater Remarks: Standing water was present. Water accumulates down slope against ditch sidecast, in slight depression areas and drains directly to Stobaugh ditch. Area is more topographically depressed than Areas 14 and 15. Area connects to a ditch that drains from a natural channel to the north. Drainage ditches are present along fence line to dewater the area indicating this area is persistently saturated. Drainage channel area west ofthe farm road begins to form a channel. Thick stands of Distichlis and Schoenoplectus form at rouehly the same relative elevation as Wetland Areas l5 and 14. Jurisdictional Determination Hydrophyic Vegetation Present?Yes x No Wetland Hydrology Present?Yes x No Hydrophyic Vegetation Dominant?Yes x No Is the plant community a wetland?Yes x No Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarks: Area is adjacent to surface waters connected to the Colorado River. P:\Wetland-E&TSpecies\McBride Habitat-Gustavson Gravel Permit.6252UD Addenda\Wetland Datasheet Area l6 TP25 Wet.doc Dominant Plant Soecies:Stratum Indicator o/o Cover Dominant PIant Snecies:Stratum Indicator o/o Cover Distiahli.q snianln H FAC+*50 Mu hl en b e r s ia a s oer i fo I ia H FACW+l0 schoenoDlectus Dunqens H OBL 40 Tvoha latifolia H OBL P Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet ProjecUSite: North Bank Resources Property Project No: 6?52-020 Date: October 10, 2006 ApplicanVOwner: I-afarge North America County: Garfield Investigator: Jon Dauzvardis, P.W. S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area l6 (Upland) ls the site signiticantly disturbed (Atypical Situation)? Yes x No Field t ocatior/Sample Point: North of 16-l4lTP26 Is the area a potential Problem Area Yes Nox Vesetation Community: UPL oZ of dominant species that are OBL, FACW and/or FAC (excluding FAC-):40% Remarks: Distinct break between Distichlis/Schoenoplectus wetland community alrrd Distichlis/Elymzs upland community. Distichlis present, but not as robust or mixed with Schoenolpecras. Predominance of upland speci Soils Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance 'I'exture 0-16"r0YR5/4 Silty clay Hydric Soils lndicators: E Low-Chroma Colors EI low-Chroma and Mottles I E] Sulfidic Odor E Gleyed or low-Chroma Colors E Histic Epipedon E Concretions tr Hish Organic Content (sandy)El Organic Streaking (sandy)tr Altuvial Sands. Gravel or Cobble Remarks: No mottling. Area begins to slope up to the north. H Is the ground surface inundated?YesE I NoE I Surfacewaterdepth: Is the soil satunrted?YesE I NoX I DepthtoSaturation: Depth to fiee-standing water in pit: Wetland Hvdrolosy Indicators: Primary lndicators:Secondary Indicators: E lntrndated I E Drift Lines tr Oxidized Root Channels in Upper l2 inches El Saturated in upper 12 inches E Sediment Deposits E Water-stained kaves E Water Marks E Drainage Patterns E Active Groundwater Remarks: Soils not saturated, wet or moist. Area l6 is elevated above wetter areas to the south. Hydrophyic Vegetation Present? Is the plant community a wetland? Is the area a Water of the U.S., excluding wetlands? P:\Wetland-E&TSpecies\McBride Habitat-Gustavson Gravel Permit.6252UD Addenda\Wetland_Datasheet_Area l6_TP26_Upl.doc Dominant Plant Snecies:Stratum Indicalor o/" C.over f)ominant Plant Snecies:Stratrrm Indicator o/n C.over Centauria snn.H IJPI-P Distichlis sDicata t{FAC+*40 Elvmus trachycaulus H FACU 40 Polysonum ramos is s imum H FACU P Sitanion hvstri.x.H UPL 20 Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Soils Project/Site: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: Lafarge North America County: Carfield Investigator: Jon Dauzvardis, P.W. S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 17 (Wetland) | tl-t to tl-Zl Is the site sigrilicantly disturbed (Atypical Situation)? Yes x No Field Location/Sample Point: East of Area 3-Stobaugh Ditch/TP27 Is the area a potential Problem Area Yes Nox Vegetation Communiry: PEP 7o of dominant species that are OBL, FACW and/or FAC (excluding FAC-):100% This is a facultative wetland community without a dominant upland component. Elymus is dominant along fringes and in adjacent ditch draining from Profile Description: Deoth (inches)Matrix Color Mottle Color/Abundance Texture 0-16 roYR 4/2 7.5 YR 5/8 Clay Hydric Soils lndicators: E low-Chroma Colors M Low-Chroma and Mottles tr Sulfidic Odor E Gleved or krw-Chroma Colors EI Histic Eoioedon E Concretions tr Hieh Organic Content (sandy)E Oreanic Streaking (sandy)tr Altuvial Sands, Gravel or Cobbte Remarks: Clay soils in this area are naturally grey in color. Only slight mottling present. Is the gound surface inundated? ls the soil saturated? to free-standing water in pit: Wetland Hvdrolosy lndicators: E Oxidized Root Channels in Upper 12 inches E Water-stained l.eavesE Saturated in upper 12 inches M FAC Neutral Test Remarks: FAC-neutral test used as secondary indicator of hydrolory. lf Distichlis spicata is removed, then Muhlenbergla is dominant with few upland species present. Hydrolory is inferred likely due to tail water/groundwater seepage fiom adjacent upslope areas and an upland ditch draining fiom the north. Installation of piercmeters and ground water measuements within the rooting zone (top 14" of the soil surface) are required for absolute proof Jurisdictional Determination Hydrophtic Vesetation Present'?Yes x No Wetland Hydrology Present?Yes x No Hvdroohvtic Veeetation Dominant?Yes x No Is the olant community a wetland?Yes x No Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarts: Siie has been affected by grazing which ceased in April, 2006 and dewatering ditches. Area assessed in October, 2006 during on-site verification meeting with USACE. P:\Wetland-E&TSpeciesWcBride HabitalGustavsonGravel Permit.6252UD Addenda\Wetland Datasheet Area l7-TP27 Wet.doc Dominant Plant Species:Stratum Indicator %o Covet Dominant Plant Species:Stratum Indicator o/n Cover Distichlis spicata H FAC+*90 M uhl e n b er si a a s per i fo I ia H FACW+l0 Polveonum ramosiss imum Il FACU P Sitanion hvstrix H UPL P Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Soils Project/Site: Nofth Bank Resources Property Proiect No: 6252-020 Date: October 10.2006 Applicant/Owner: l.afarge North America County: Garfield Investigator: Jon Dauzvardis, P.W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area l7 (Upland) Is the site significantly disturbed (Atypical Situation)? Yes x No Field tocatior/Sample Point: South of Area 17 lTP28 Is the area a potential Problem Area Yes Nox Vegetation Community: UPI- Dominant Plant Species:Stratum Indicator 7o Cover Dominant Plant Species:Stratum Indicator o/o Cover Chenopodium ber landieri rI NI 5 Elymus trachycaulus H FACU 65 Glycvrrhiza leoidota S FAC.5 Plantago elongata H FACW P Po lygonum ram<ts iss imum t-l FACU 5 Trifolium spp.H UPL 20 o/o of dominant species that are OBL, FACW and/or FAC (excluding FAC): 0% (Plantain present) Distinct break between solid mat of Distichlis/Muhlenbergia in Wetland ArealT and non-wetland area dominatedby Etymus intermixed with variety ofother upland weeds ofa Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texture 0-r 6 loYR 4/2 Clay Hydric Soils Indicators: E Low-Chroma Colors tr tnw-Chroma and Mottles tr Sulfidic Odor tr Gleyed or lorv-Chroma Colors tr Histic Epipedon E Concretions tr Hieh Organic Content (sandy)EI Organic Streaking (sandy)tr Alluvial Sands. Gravel or Cobble Remarks: Clay soils in this area are naturally grey in color. No mottling present versus slightly mottled soils in Wetland Area l7 to the north. H Is the pround surface inundated?Yes E I No EI I Surface water depth: Is the soil saturated?YesE I NoM I OepthtoSaturation: Depth tofr€e-standing water in pit: Wetland Hvdroloqy Indicators: Primary lndicators:Secondary Indicators: E Inundated E Drift Lines tr Oxidized Root Channels in Upper 12 inchesfl Saturated in upper 12 inches E Sediment Deposits E Water-stained l.eaves E Water Marks E Drainage Patterns tr FAC Neutral Test Remarks: Upland area appears to be outside of groundwater influence area of Wetland Area 17 to the north. Determination Hydrophtic Vegetation Present?Yes x No Wetland Hydrology Present?Yes Nox Hydrophtic Ve getation Dominant?Yes Nox Is the plant community a wetland?Yes Nox Hydric Soils Present?Yes Nox Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarks: Site is weedy and has been affected by grazing. Area re-assessed in October, 2006 during on-site verification meeting with USACE. 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E nv i ro nme tzt a I C o n.s u ltant s, March 18, 2005 Mr. Robert Mueller 1625 lTth Streer _ Suite 300 Denver, CO gO2O2 H,;i:::ir:t#J'3.*HIs ror Gas wert Pads and Access Roads at Lararge North Dear Mr. Mueller: Greystone Environmental co,sulta,ts (Greystone) has completed its stability a,alysis ofmultiple slopes associated with the "oniir.,i"n oig". *"ir-i"a, and access roads i, theMamm creek pit near Rifle, coro.roo"ail *r, f;"ir., ."i'"." are sufficient to ensure:1"'iil#l:l?'fr'",tg:rr'"'tt""i"a'";;;'#;,,;#ilsubmittedtorohnRozerre Should you have ouestions rega'ding this report or wish further discussion, please call.Greystone appreciates this opiortu;,;;; be of service ro Antero Resources. Sincerely, K.M. Kotin, p.E. Engineering Manager 523 t South 0phone (303) 850_0930 . pax f:0ii 12t_s2glWeb Site: ***._n..yr,on.. r. E &}REYSTOIVI @ Enyirorunertol Consultants, Inc. March 17,2005 Mr. John W. Rozelle Land Specialist Lafarge North America - Western U.S. Region 1400 W. 64th Ave. Denver, Colorado 80221 RE: Slope stability Analysis for Gas well pads and Access Roads at Lafarge North America, Mamm Creek pit. Dear Mr. Rozelle: Greystone Environmental Consultants (Greystone) has completed its stability analysis of multiple slopes associated with the construction of gas well pads and access roads in the Mamm creek Pit near Rifle, colorado (Figure 1). The gas well pads measure 200-feet-by-300-feet; average 25 feet high; and have finished side slopes of 3:1 . The soil characteristics of each gas well pad will be dictated by the timing of the progression of the mine plan and the construction of the gas well pads. Figure 2 illustrates these two cases, Case A and Case B. Case A gas well pads will be constructed after mining is complete. These well pads will be built using stripped and stockpiled clayey, sandy overburden. case B gas well pads will be constructed before mining excavation. These well pads will be built using well- graded in-situ sand and gravel bolstered with 3H:1V side slopes construCted of the same clayey, sandy overburden used in constructing the Case A well pads. The timing of mining activities, gas well pad construction, and approval of this technical revision do not allow for a clear determination of the case of each well pad. However, based on the material properties, case A would have a higher potential for slope failure and will be considered as worst-case-scenario for all well pads. 523 I South Quebec Street. Greenwood Village, Colorado g0l I I Phone (303) 850-0930 . Fax (303) 721-9298 Web Site: www.greystone.us Letter to John Rozelle Page 2 of 5 3121t2005 OBJECTIVE The objectives of these analyses are: 1. To evaluate the stability of constructed slopes associated with gas well pads and access roads to achieve a safety factor of 1.5 for static loading and 1.3 for seismic loading; 2. To determine classification and suitability of stripped overburden to be used as backfill for gas well pad and access road construction: and 3. To determine the effects of varying unit weight, internal friction angle, and well pad height to the stability of the slope for Cased A and B. ASSUMPTIONS Scenarios Two cases exist based on the timing of mining activities and gas well pad construction: Case A - Mined Areas - Gas well pads constructed after the area has been stripped, excavated and mined. Gas well pads and associated slopes will be constructed using clayey, sandy overburden stripped and stockpiled on-site as part of the mining process. Gase B - Unmined Areas - Gas well pads constructed before the area has been stripped, excavated and mined. Gas well pad slopes will be constructed using clayey, sandy overburden stripped and stockpiled on-site as part of the mining process. Due to the timing of mining activities, gas well pad construction and the approval of this technical revision, the appropriate case associated with each gas well pad is unclear; therefore, Case A and B will be applied to all gas well pads and slopes. Letter to John Rozelle Page 3 of 5 3t21t200s Material Properties and Soil Classification Based on well log data provided by Lafarge and a technical site visit conducted by Lafarge and Greystone, assumed normal and typical material properties were selected, as listed in the following table: Representative Material Properties Case A SC Overburden Fil! Soil Density (lb per cu ft) 124 lnternal Friction Angle (degrees) 31 Cohesion (lb per sq in) 0 Case B GW ln-Situ Sands and Gravels 110 38 0 The Unified Soil Classification System (USCS)was used to classify both the in- place material and overburden backfill. The virgin sand and gravel, Case B, represents the gravel pit wall or undisturbed bank. lt has a thickness of approximately 25 feet, and is classified as well-graded sandy gravels (GW). The overburden fill, Case A, is classified as clayey gravely sands (SC) and represents the material to be used to construct the gas well pads and access roads where needed. To further classify the material, the Hazen Uniformity Coefficient and Coefficient of Gradation were calculated based on soil boring logs provided by Lafarge. Both materials were found to be well-graded and non-uniform in particle size distribution. Additionally, both materials were assumed to have no cohesion. Construction Methods ln Case A, the gas well pad will be constructed after the area has been stripped, excavated and mined. The gas well pads and slopes will be constructed using overburden backfill placed via truck and shovel, using the pit floor as a base. A dozer will be used to create side slopes of 3:1. Wheel compaction of the gas well pad and side slopes is assumed for these analyses. The pit floor is composed of shale bedrock. Average depth-to-bedrock at the Mamm Creek Pit is approximately 25 feet. ln Case B, the gas well pad will be constructed before the area has been stripped, excavated and mined. An area 200-feetby-300-foot will be cleared and graded to create a flat, level area for the drilling and construction of the gas well. As mining and excavation activities approach, a setback of 100-feet from the gas well will be maintained, to a highwall slope no greaterthan 0.5:1 as required by the Colorado Deparlment of Minerals and Geology (DMG) Permit #N2000113. Letter to John Rozelle Page 4 of 5 3t2112005 As soon as feasible, overburden backfill will be placed against the highwall and graded to decrease the highwall to a minimum 3H:1V slope. Other Assumptions One distributed load was identified for these analyses. A distributed load of 130,000 lbs, or 97.7 lbs/sq ft, was assumed for a typical Rig gg gas well drill rig as provided by Antero Resources Corporation (Antero). The weight of the gas well and associated equipment was negligible and therefore not included in these analyses. For both cases, because of the close proximity to the Colorado River and the post-mining reclamation plan to convert the gravel pits to lakes, the gas well pads are assumed to be fully saturated, having a piezometric surface equal to the height of the gas well pad. lt is important to note, that as the pits fill with water the slope stability will increase because of the hydrologic pressure exerted by the weight of the water on the slope. PROCEDURE The stability analyses were performed using the simplified Bishop's Method (GALENA Slope Stability Analysis system, Version 3.1o). Three types of slope failure were analyzed: toe circle failure, slope circle failure, and base circle failure. Results are shown on Figures 3 through 16. Multiple analyses were run for case A and case B, using a range of parameters, to determine the slope stability sensitivity to changes in unit weight, internal friction angle and thickness of material or well pad height. Although there is a low potential for seismic hazards in Rifle, Colorado, a worst- case-scenario (seismic loading of 0.1 g peak ground acceleration) was assumed as provided by the United States Geological survey (usGS) Hazards Mapping Program. Letter to John Rozelle Page 5 of 5 3t21t2005 CONCLUSION Based upon these analyses, conservative assumptions, and the information available, the gas well pads and access roads slope safety factors are as follows: Case A - Factors of Safety Toe Circle Failure Slope Circle Failure Base Circle Failure Toe Circle Failure SIope Circle Failure Base Circle Failure Static Loading 1 .72 to 2.5 1.94 to 2.9 >5 Static Loadinq 2.04 to 2.70 2.03 to 2.77 >5 Case B - Factors of Safety Seismic Loadinq 1.3 to 1.86 1.4 to 2.08 >1.93 Seismic Loadinq 1 .42 to 1 .89 1.47 to 2.02 >1.87 Base circle failure is unlikely to occur due to the shale bedrock base. The full range of safety factors with parameters are attached as Tables 1 through 3. All safety factors reported are sufficient to ensure the stability of these slopes; greater then 1.5 for static loading and greater than 1.3 for seismic toading. Additionally, the stability of the slopes will increase as the water level in the pit rises. Should you have questions regarding this report or wish further discussion, please call. Greystone appreciates this opportunity to be of service to Lafarge Norlh America. Sincerely, K. M. Kolin, P. E. Engineering Manager lrJdE 'l! l.Lg oLil ooF 6 .g CL F o llo ': lt o tutl- 'o$o! o E q)(i) *o tU),.rC- OCh.9 00.19 o o-i->-ai o, ": lt ooGtL !so! (\I uJoILm! 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ElE.= H 3 H3E;E E !I:?? },z=R::c;Z =Sj.H'g,'l, b : q = .^ !\o.;=-.:.= .:" a. r::E-jr\EE a *i : I t 3llliEsE iii: € Og= F If.l I-.1 Q z 2 (^ Di "rs:q\UrvL $$$ {qo ,)' 4 EI 9 - do6-6q€ - o oe Ei;'QOo a.! 6 ^oE ! cwoo6 *EgB F E.g o -6 : E E Eptr * == o o - ! i lD<!F O v/ =__ff a i6 E E" 6-EEgsoE>bq> I b og€;Es3 EF:E; >dol?-l = o q.E o otoodo 2 x- o_.= oF! o 6o c oYj o:z Company Narre: Lafarse West. Inc PROCESS WATER AND STORMWATER DISCHARGES ASSOCIATED WIITI SAND A}[D GRA\IEL PRODUCTION OPERATIONS (AND OTIIER NONMETALLIC MINERAIS EXCEPT TUEL) FOR AGENCY USE ONLY PERMITNUMBER DATB,RECETVED Please priut or t5pe. Do rxlt attempt to complete this form before reading the insnuctions. New fl or Renewal f If renewal, existing permir number: COG:!004g2 . 1. Name and address of perrnit applicant: Fe&ral Ta:payer (or Fmployer) D#: 25_1531295 Mailing Address : 10170 ghurch Banch Wav, Suire 200 City. Srate aad,Zip Code : Westnin_<ter. CO gtt0?l Phore Number :f__JQi__l_852400S Local Contacr (familiar with facility): Steve Compton Title: Enviromnental Coordinator Phone Number: ( 303 ) 6574330 FaxNo.: (. 303 ) 657-403i ., Who is applyiag for the permit? X O*rler lOp".u*o. Name and address ofproperty owner: Company Name: Mailing Address : Ciry, Stare and Zip Code ; PhoneNumber: ( ) 3 - Location of the facility: street Address: Not yet assieqgd (aoproximately 2 miles east of Rifle on Hiehwav o City, State atrdZry Code: Rifle. CO g1650 County: GarEeld Name of facility: North Bank pit Legal location (Township, penge, sectioa, 1/4 secrion): ._ s %of secrion 12. T65. R93w kfinrde and Longitude: 39 des 32'. 37"N. 107 dee 43, 31. W clo YEAR MONTH DAY TYPE:P s 4' standard rndustrial Classification (sIC) code(s) for this facility. (Include up ro four, in order of importance. See Appendix A.) 1442 b) 5' Receiving Strean: The n'me of the receiving stream(s). (If discharge is to a ditch or storm sewer, also include the name of tre ultimarereceivi::g waters.) Colorado River 6' Industrial Activity: Describe the primary industrial activities which ake place on site (e.g., sand and gavel mining, g]?sum mining, sandwashing, gravel crushing, stationary or mobile asphalt/coucrete uatcn plarts, etc.). Indicate the status ottru facitity (acrive, inactive, beingreclaimed, etc.) Sand and gravel minine and processing. Ipactive.. 7 ' other environmental Petmits: Does this faciliry curremly have any other environrnental permits, or is it sub.yL to regularioD, under either ofthe followiag programs? Permit Name Yes No Applied For, Date Permit No. a.) Colorado Division of Minerals and Geology (formerly MIRD) x 2W6 M-200ffi18 b-) Underground Injection Qonrrol x c.)Dredge or fill permit under Section 404 of the C1ean Water Ao (CS/A) (Army Corps of F'nr,meers) x 2006 200t75036 d) Resourcq Conservation and Recovery Act RCRA) x e.) CDPS Storrnwater x f.) Colorado State Air Poliution Emission x 2006 01GA0979F g.) Other If Yes to item 7'a), flease include Colorado Divisiou of Minerals anrl Geologr Mined Land Reclamation Board) permit a:rniversary date; 8. Stormwater vs. Proccss Water Do you discharge any of the following process generated wastewaters from your faciliry, to state waters? Ivo E y.. product wash waters f uo I yo Maintenance/equipmenr wash warers f mo E y.. Transpon waters (e.g-, slurries) I No f] Vo Scrubber waters (crushers or classifiers) n f.io IV.. Mine dewatering (groundwater and/or runoff from the mine) Ifyou aoswered yES to aqy of these questions, coDtinue on to Item 9. If you arswered NO to ali of these questions, skip ro Item 1g. 9. l,ocation map: A location map designating the facitiry property, discharge points and receiving warers shall be submined. The map shall ge flff. " or 15 minue usGS Eud sheet, or a ,r"p oi *mprr"ble scale.-A north arrow shall be .hor"o- A;-;;;;b" oiffi t , * , t0. ll. site sketch: A legible general sketch ofthe site shall be.submitted, showing appurtenant facilities @uildings, poods, diversion ditches,stockpiles, etc')' sfreem location, rumbered discharge point., o-piiog ana "no*-moritoring points. The map must be on lxper g 2 x 11inches. Ttre sgtfalts shell be labeled to correq>ond witl tle ur:mbers iisted itr lj. Site.specific conditions: a) Does this facility have b,lk storage of diesel fuer, gasolire, solvenas, fertirizer, or other hazardow materials on site? b) Is this operation located within one mirs of a randfifl, or any mine o.niil failings? c) Does the dewatering area trave or possibry have grouadwarer contamination, such-as Plumes from leaking underground sorage tanks, etc.? flNo f yo Er.m lvo fro f]vo If YES for any of these, please show locarion of the landfill, tailings or possible grouadwater contamiution on tbe location map in irem g or inthe general sketch ir item 10' Please explain the location, extent of coffaminatioi, a.nd possible effect on the discbarges from this facitity. Fuel tanks tlat may be associated with Lafarge operatiou are contained ou site and used as needeil. No known or suspectedcontamination associated \rith these tarks. Gravel mining operations are located west and south of this site. 'Will any flocculants (settling agents or chemical additives) be rsed to treat water prior to discharge? if YES, list here, and include the Material Safery Data Sheer (MSDS): Chemicd Name *Manufacturer Purpose In Which Waste Stream? NA 12. Chemical treatuent: trvo n y", * Ifthe chemical formula is unknown or confidential, provide the manufacturer's name, contactpersoD. address and phone n,mber or a copyof the oanr-rfacturer's brochure, product label informatioa or materials handling data sheet for each pro&rct used. please list tbe maj61constinrents or acrive ingredient(s), if kuown- Are the receidng waters, itrdicated in item 5, a ditch or storm sewer? 'INo Eyo If YEs' submit documeuration that the owner of the ditch or storm sewer allows dris discharge. No certification wiII be processeal ,rnlessdocumemadon of approval is received_ Note A discharge permit does not allow a discharge into a ditch or municipal stor& sewer system without the approval of the owner/operator ofthat system' Please provide docrrmentation of apprival from the ditch company or owrler of the storm sewer for aII new discharges. [*"ffit-*t: what method of flow measurement will be used for each discharge poim (e.g., v-notch weir, p,mp capaciry, parshall 13. 14. 6 OUTFALL NTIMBER WASTEWATER SOI.IRCE AVGFLOW, MGD*TREATMENT USED DESIGN** FLOW. MGD RECEryING WATERS001-002 Mine dewatering 0.4 MGD Settling Colorado fuver : Outfalls - For each process water outfall, provide a description of: f"rtffitL*"flH:Hffiffi:':#ter to the effluent, iocluding water associatecr wirh product crushiry or washing, equipment washing, - the average flow contnbuted by each operation; - tle treatmeff received by the wastewarer, irrclurtiqg an identification of any chemical additives used. Use additional pages as needed. *MGD - Million gallons/day +*If sediment poad, irrtisate approximate volume of water. 16' \ilaler quality data: Analytical data for the foltowing parameters shall be submined for at least ooe grab sample from each discharge point. rfno water is currently available for analysis, so iadicate. 15. Alkalinity (mg/l) Total Dissotved Solids (mg/l) TouI Suspended Solids (mgn) Oil and Grease (mg/l) X No water ls enilyze & this dms Tte Dvision may request enalysis of other parameters orce rhe application has been reyiewed. t7' Acti'ity duration: when did the activity *--"ry:? l,ate 2w what is rre estimated life of the acriviry aom which thedischarg{s) identified in item 15 originate? 10 -_ "errr"-- pH (s.u.) CoD (mg/I) I I i8. STORT{WATER MANAGEME\TPLAN fr;:T,il*T::#3r"l:'#'ffi:'J#:ffinj:il,iffl":l,|:epreparedpriortoappryingforcoverageuaderrhegenerarpermi! nI cerlify under prepared for my g'atherirg the peualties Name (printed) complete stormwatq Managemeat plar, in compriace with Appendix B of this application, has bee,ty inquiry of the person or persons who **ug"-rh" system, or tJrose persons directly responsible foris' to fte best of ml knowledge ana beueq *"", ".r*rao and complete. I am aware that there are ngnificantryYswMP, including the porrititiry ornne ano imprisonmenl,, Title 19. Signaturc ofApplicant "I certiff under penalty of law that I have persoaalty examined and am familiar with.-the information submitted in &is application and a,attachmerts aad thaq based ou my inquiryorttoselaiuauat ;;;,;ponsibre for obtaining trre informarion, I berieve that theil?.ffi"i:l#"t#HJ;r*tri*"' r '" "t*t that there * rtgtt.*rLarties for submitring false informatiors including the TitIe of Psrmit Name (print€d) 8 iffi,,"Wal$r lnvironnrcntal Scirrilists and [.irgin*rs" I-I.C r.?:"."..*ffi......: a* *ologr uld eavirgucunt c*:r,pmt' November 6,2006 Mr. Mark Gilfillan US Army Corps of Engineers Sacramento District Colorado/Gunnison Basin Offi ce Aspinall Federal Building 402 Rood Avenue, Room 142 Grand Junction, Colorado 8 I 501-2563 Re: Addenda to Request for Verification of Jurisdictional Delineation for the North bank Resources Property, Rifle, Colorado Dear Mr. Gilfillan: On behalf of Lafarge North America (Lafarge), Walsh Environmental Scientists and Engineers, LLC (Walsh), in response to the on-site wetland verification meeting that occurred on October 10, 2006, we are formally requesting that you attach this addendum to the Revised Jurisdictional Determination request submitted to your office on June 20, 2006. Your request to gather and document additional wetland data during the October 10, 2006 on-site meeting indicates that additional jurisdictional wetlands are present. Site Conditions In addition to the jurisdictional waters, including wetlands identified in the June 10,2006 report, additional wetlands were found adjacent to the north edge and east end of Stobaugh Ditch (Area 3). These wetlands are identified as Areas 14,15,16 and l7 on the attached mapping and data sheets. These areas are roughly located in the middle terrace of the site between Stobaugh Ditch dredged side-cast and greasewood shrubland to the north where regional irrigation tail water is a major inlluencing factor on the local ground table. Although a functional evaluation was not performed, it Walsh's opinion that the herbaceous wetlands and ditches present within the proposed mine cells are of low quality and functional value. They are generally facultative in nature with a predominance of saltgrass (Distichlis spicata and three-square bulrush (Schoenoplectus pungens), species that tend to colonize disturbed, overly grazed or saline sites. Methodology The Jurisdictional Delineation was conducted following the methodology enumerated in the 1987 Corps of Engineers Wetlands Delineation Manual (Environmental Laboratory, 1987). During the field inspectiorl representative soil borings were taken, dominant vegetation was recorded and representative hydrologic indicators were noted in order to identiff and document the presence ofjurisdictional waters of the U.S., including wetlands within the foot-print of the proposed sand and gravel operation on the property. Potentially jurisdictional areas were flagged in the field, labeled with an alpha"/numeric designation, surveyed using sub-meter accuracy global positioning system (GPS) and adjusted using aerial photography of the site . Because there was little variation in the vegetation communities, sampled soils, and characteristics within each area, WALSH determined that one representative data point would be sufficient to record both wetland (positive) and upland (negative) conditions in each area (refer to attached datasheets). Other data points were taken at various points throughout the site to confirm the first representative point remained valid. -{Il88Puir}[.astCrciu , Suile 108 . iloullcrCaiarudr, . 8{1301-:475 . I}hrm{llti}14"13-31i1: - }'AX(]l}1i443-$j(r? Waters and wetlands on or immediately adjacent to the site were characterized. However, because they are not subject to impact from the proposed project or were isolated, they were not formally delineated or surveyed. However, these areas were mapped using aerial photography and proofed in the field following the methodology enumerated in the 1987 Manual. These areas have been provided for reference on Figures 2 and3. Soils TheSoi/ Surveyof RifleArea,Colorado (U.S. SoilConservationService, 1985)wasreferencedforthe soil types occurring on site which includes the Arvada-Torrifluvents-Heldt complex and Wann Series as discussed in the June 20,2006 report. All of these soil types appear onthe Colorado List of Hydric Soils (usDA,2006). Representative soil borings were taken in potential wetland areas to determine the presence or absence of hydric soils, and in adjacent uplands to document the absence of hydric conditions (refer to attached Data Sheets). A visual inspection ofthe soil profile was analyzed for the presence ofhydric soil characteristics (e.g., mottling, oxidized roots, concretions and/or gleying). Soil hue, value, and chroma were compared to the Munsell Soil Color Charts (Kollmorgerl 1990) to determine the presence of hydric soils. Representative soil borings in wetland Areas 14-17 had a soil hue, value, and chroma of 1OYR 512, 5ll and 412 with 7.5YR 5/8 mottling consisting of clay and silty clay to a depths of 0- I 6 inches. Organic streaking and a strong sulfidic odor were also indicators of hydric soils. Representative soil borings inspected to provide negative data in uplands areas adjacent to wetland Areas 14-17 had a soil hue, value, and chroma of l0YR 512 and5l4 with no or slight 7.5YR 5/8 mottling. Vegetation Vegetation in wetland Areas 14-17 generally consists of saltgrass (Distichlis spicata) and three-square bulrush (Schoenoplectus pungens) and alkali muhly (Muhlenbergia asperifulia) with minor occurrences of cattail Qypha latifolia), white heath aster (Aster ericoides), bushy knotweed (Polygonum r am o s i s s imum) and bottl ebrush s quirreltail (S i t an i on hy s tr i x) . Vegetation in adjacent upland Areas l4-17 (negative data) generally corsists of saltgrass (Distichlis spicata), slender wheatgrass (Elymus trachycaulus), bottlebrush squirreltail (Sitanion hystrix) , wilh occurrences of bushy knotweed (Polygonum ramosissimum), pigweed (Chenopodium berlandieri), and knapweed (C entauria spp.). A distinct break betweenthe Distichlis/ Schoenoplectus and Distichlis/ Elymus plant communities was used to in addition to soils to differentiate wetlands and from uplands. Vegetation was identified to the species level to the extent possible. The National List of Plant Species That Occur in Wetlands, Intermountain (Region 8) (Reed et. al., 1988) was referenced to determine the wetland indicator status for each plant. Hydrology Topographic depressions, inundation, standing water upslope from Stobaugh Ditch side-cast, saturated soils and the presence of hydric soil and hydrophyic vegetation indicate that wetland Areas 14- 1 7 have supporting hydrology during the growing season. Poorly drained clayey and mottled soils also indicate a strong groundwater inJluence. Areas 16 and l7 are connected to natural channels to the north by Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet ProjecVSite: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: Lafarge North America Courty: Garfield Investigator: Jon Dauzvardis, P. W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area14 (Wetland) | t+-t to t+-g Is the site significantly disturbed (At).pical Situation)? Yes x No Field l-ocation/Sample Point: Northwest of mrraVTP2l Is the area a potential Problem Area Yes Nox Vegetation Communiw: PEP o% of dominant species that are OBL, FACW and/or FAC (excluding FAC): 80% Remarks: Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texture 0-10"10YR5/2 7.5YR 5/8 clay l0-16"10YR5/2 and 5/1 7.5\'R 5/8 silty clay Hvdric Soils Indicators: E l,ow-Chroma Colors E l,ow-Chroma and Mottles EI Sulfidic Odor E Gleyed or l,ow-Chroma Colors tr Histic Epipedon E Concretions tr Hish Orsanic Content (sandv)E Orsanic Streakins (sandv)tr Alluvial Sands. Gravel or Cobble Remarks: Abundant mottling Is the pround surface inundated? Is the soil saturated?to Saturation: 10" water in pit: Wetland Hydrolosv Indicators: tr Oxidized Root Channels in Upper 12 inchesE Saturated in upper 12 inches Remarks: It rained on the day of the evaluation and standing water was present. Inundation was not p..r"rrt d*ing Vtuy rit" i.,*siguti,ons. ab*d211t mottling and low chroma soils indicate persistent saturation. Hydrology is inferred likely due to tail water/contact seepage from adjacent upslope Ju ination Hydrophytic Vegetation Present?Yes x No Wetland Hydrology Pre sent?Yes x No Hydrophlic Vegetation Dominant?Yes x No Is the plant community a wetland?Yes x No Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarks: P;\Wetland-E&TSpeciesMcBride Habitat-Gustavson Gravel Permit.6252VD Addenda\Wetland Datasheet Area 14 Tp2l Wet,doc Dominant Plant Species:Stratum lndicator %o Cover Dominant Plant Soecies:Stratum lndicator %" Cover Aster airicoides H NI 20 Distichlis sDicata H FAC+*l5 Po lv sonum r amos i s s imum H FACU P Schoenoplectus pungens H OBL 65 dewatering ditches and have surface connections back to Stobaugh Ditch and the Colorado River to the south. JURISDICTIONAL DETERMINATION In addition to the 2.50 acres of wetland documented in the June 20,2006 report, an additional 2.30 acres of palustrine emergent persistent (PEP) wetlands with indicators of hydrophytic vegetatioq hydric soils and supporting hydrolory are present in Areas 14,75, 16 and 17. Because these areas are adjacent to and have a surface connection to the Colorado River and Stobaugh Ditch, a jurisdictional wetland connected and adjacent to the Colorado River, it is Walsh's opinion that these areas are jurisdictional wetlands (i.e., waters of the U.S.). Classification of wetlands and waters of the U.S. described herein are in accordance with the U.S. Fish and Wildlife Service (FWS), Classification System for Wetlands and Deepwater Habitats (Cowardin et. a1.,1979). Summary WALSH is formally requesting a Jurisdictional Determination from the USACE for the Waters of the U.S., (including wetlands) presented in the Jurisdictional Determination request dated June 20,2006 and this addendum. The wetland boundaries as identified on Figures 2 and3, Jurisdictional Wetland Maps indicate the wetland areas identified in the June, 2006 report and this addendum (Areas 14-16). Because we thoroughly reviewed and discussed site-wide wetland data during our site meeting on October 10, 2006, it is our understanding that you will not need to make another site visit to verify these findings. However, if you do have any questions, please do not hesitate to contact me if you need clarification or additional information. Thank you for your time and consideration. I look forward to hearing from you at your earliest convenience. Sincerely, Walsh Environmental Scientists and Engineers, LLC (*;frY Jonathan B. Dauzvardis, PWS Restoration Ecologist Copies to: John Rozelle, Gustavson Associates, LLC Mark Vigil, Lafarge North America Meg McNulty, Lafarge North America Helen Migchelbrink, Lafarge North America Attachments: Figures 2 and 3 - Jurisdictional Wetland Maps Data Sheets P.\Wetland-E&TSpecies\McBride Habitat-Gustavson Gravel Permit.6252VD Addenda\Lafarge-Northbank Resources USACE JD Request Addenda I 0-20-06.doc Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet ProjecVSite: North Bank Resources Property Project No: 6252-020 Date: October 10,2006 ApplicanVOwner: Lafarge North America County: Garfield Investigator: Jon Dauzvardis, P. W. S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 14 (Upland) Is the site significantly disrurbed (Ar).pical Situation)? Yes x No Field tocation/Sample Point: West of l4-2/TP22 Is the area a potential Problem Area Yes Nox Vegetation Communify: UPL oZ of dominant species that are OBL, FACW and/or FAC (excluding FAC+ l0% Remarks: Profile Description: Depth (inches)Matrix Color Mottle Color/Abundance Texhre 0-16"l0YR5/2 7.5YR 5/8 clay Hvdric Soils Indicators: E l,ow-Chroma Colors E l,ow-Chroma and Mottles EI Sulfidic Odortr Gleyed or low-Chroma Colors tr Histic Epipedon E Concretionstr Hieh Organic Content (sandy)D Organic Streaking (sandv)tr Alluvial Sands, Gravel or Cobble Remarks: Dense clay shows slight mottling. Area begins to slope up to the north into greasewood shrublands Wetland tr Oxidized Root Channels in Upper 12 inchesE Saturated in upper 12 inches Remarks:Itrainedonthedayoftheevaluationarrdstanding*ut".*^ ictional Hydrophyic Vegetation Present?Yes x No Wetland Hydrology Present?Yes x No Hydrophytic Vegetation Dominant?Yes Nox Is the plant community a wetland?Yes Nox Hydric Soils Present?Yes x No Is the area a Water of the U.S., excluding wetlands?Yes Nox Remarks: Area maintains hydric soils due to tail * vegetation. P:\Wetland-E&TSpecies\McBride Habitat-Gustavson Gravel Permit.6252VD Addenda\Wetland_Datasheet_Area l4_Tp22_Upl.doc Dominant Plant Species:Stratum lndicator %o Cover Dominant Plant Soecies:Stratum lndicator o/o Cover Aster airicoides H M P Distichlis spicata H FAC+*l0 Elymus trachycaulus H FACU 20 Po ly ponum ramos is s imum H FACU P Schoenop lectus pungens H OBL P Sitanion hvstrix H UPL 70 Project/Site: North Bank Resources Property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: Lafarge North America Cor.mty Garfield Investigator: Jon Dauzvardis, P.W.S.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 15 (Wetland) | tS-t to IS-ZS Is the site significantly disrurbed (Atypical Situation)? Yes x No Field tncation/Sample Point: North of Stobaugh Ditch sidecasVTp23 Is the area a potential Problem Area Yes Nox Vegetation Community PEP Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet oZ of dominant species that are OBL, f l^":_1\t;u.4TLar^e1 imme{iatelynorth of wetland.Area 15 and similarly, wetlandAreas 16 is dominated by Elymus trachycaulus. Distincr breakbetween Distichlis/Schoenoplectus wetland cnmmwity arrtd, Distichtis/Ety;r.rs upland commgn Mottle Color/Abundance l0YR5/2 and 5/l E Gleyed or Low-Chroma Colors tr Alluvial Sands, Gravel or CobbleRemarks: Abundant mottling, organic streaking *a s"tpt* .rnen Surface water depth: 0-1" water in pit: Rain event udes free-standing water measurement. tr Oxidized Root Channels inE Saturated in upper 12 inches Remarks: It rained on the day ofthe evaluation -saturation' Hydrolory is inferred likely due to tail water/contact seepage from adjacent upslope areas. water accumulates down slope against ditchsidecast and in slight depression areas. Wetland Hydrology Present? Hydrophltic Vegetation Dominant?Is the plant community a wetland? Hydric Soils Present?Is the area a Water of the U.S., excluding wetlands? P:\wetland-E&TSpeciesMcBride HabitaGcustavson Gravel Permit.6252uD Addenda\rrrr'edand_Datasheet_Area l5_Tp23_wet.doc Dominant Plant Species:Stratum lndicator oh Cover Dominant Plant Species :Stratum lndicatorAster ericoides H M P Distichlis spicata H FAC+*50 Schoenoplectus punpens H OBL 40 Sitanion hystrix H LTPL 10 Iypha latifolia H OBL P P:\wefland-E&TSpecies\lvlcBride Habitat-Gustavson Gravel Permit.6252uD Addenda\wetlan -Datasheet_Area l5_Tp24_upl.doc walsh Environmentar' Inc. - Jurisdictionar Determination Data Sheet Project/Site: North Bank Rero*."s p-pEfr Date: October 10,2006 ApplicanVOwner: Lafarge No.tt amerG Investigator: Jon Dauzvarclis. p. W. S. Do no.mal circumstancesixist on-Glitf Plot ID: Area 15Fieldl,ocation/Sm Is the area a potential problem Area To of dominant .*"t.r * Remarks: Distinct break between Distichlis/schoenoplect)swetlani *r"ir*"tyla Distichlis/Elymr,rs upland community. Alluvial Sands, Ca"el o. CobbleRemarks: Slieht.ottl trOriOir@E Saturated in rpp"r t2 tr*h* Remarks: It rained on Wetland uyorotogyEtz Hydrophyic Vegetation Dornln.ontf Is the plant *m-unifii*.ttunaZ Istheareauwa@ fffi,*#ffix'r - walsh Environmental, Inc. - Jurisdictionar Determination Data Sheet Project/Site: North Bank Resources property Project No: 6252-020 Date: October 10, 2006 Applicant/Owner: Lafarge North America County: Garfield vE)LrBaauI r-,auzvarols,.s.State: Colorado Do normal circumstances exist on the site?Yes x No Plot ID: Area 16 (Wetland) l tGl ro 16"44Is the site significantly disturbed (Atypical Situation)? Yes x No Field tncation/Sample Point: North of S@ Is the area a potential Problem Area Yes Nox Vegetation Community: PEP o/o of dominant species that ur. OAL Remarks: upland area immediately north of area is dominated by ETymus trachycaulus. Distinct break between Distichlis/schoenoplectuswetlandcommunity and Distichlis/Elymzs upland communitv. E Low-Chroma and Mottlestr Gleyed or l.ow-Chroma Colors tr Alluvial Sands, Crravel or CobbleRemarks: Abundant mottling t"* north. !q&ce water depth: 0-2" to Saturation: 0" h to free-standing water in Wetland Hydrology Indicators : tr Oxidized Root Charurels in UEl Saturated in upper 12 inches Remarks: Standing water was present. Wut.. * :ill;ff:::J:;: jij"l'H:::flr f:::::::,'Irj:1.1,:r-'^'.';,i::.1-ry;: t" i,dili,;il g.d?;; a natura, channe, to the north Drainage;;,#il:#::l:,"[]ffi;i:begins to form a channel. Thick stands of Distichlis *d ffirrr*k"r^ f"* "..r on as Wetland Areas 15 and 14. Wetland Hydrology Present? Hydrophyic Vegetation Dominant?Is the plant community a wetland? Is the area a Water of the U.S., excluding wetlands? Remarks: Area is adjacent to surface trat".s *nne"ted to tti coto.aaoErer P:\wefland-E&TSpeciesWcBride Habitat-Gustavson Gravel Permit.6252UD Addenda\wefland_Datasheet_Area l6_Tp2s_wet.doc Project/Site:Nort@ Date: October 10, 2006Applicant/Owner: Ufa.ge NorttrEIiE- lnvestigator: Jo, Darzra.dis, p.W-S. Do ro..al circrrmrt-""i& rt or=lGiGf Plot ID: Area l6Is. the site -signinc*,tty-irt*t"O@i.aSituation)?Field tocation/Sample point : No.tilf I 6_ I 4/Tp% the area a potential problern Area Is the ground surface inundated? Is the soil saturated? tr Oxidized Root Ch*mels intr Satu.at"aEGpe.lz ln"tr.s tr Wate.-stained Gau.s Remarks: Soils not t Wetland HydrologyFresentt ts ttre plant communfiGttdat Is the area f" of tuh* :Tj##oand Dktichlis/Elvmrzs upland communiry. Distichlis present, but not Walsh Environmental, Inc. - Jurisdictional Determination Data Sheet Mottle Coto./AbunGE tr i,ow-Cnromi ana tvtotttestr Gleyed or Lo*-Chtoma Cotors altuuiat s anda Gr;a;;aobbleRemarks:Nomottlinffi P:\wetland-E&TSpecies\McBnde Habitat-Gustavson Gravel permit.6252uD Addenda\wefland_Datasheet_Area r 6_Tp26_Upl.doc P:\wetland-E&TSpeciesMcBride Habitat-Gustavson Gravel Permit.6252vD Addenda\wetland-Datasheet_Area l7-Tp27 weldoc \Yalsh Environmentar, Inc. - Jurisdictionar Determination Data sheet Project/Site: North Bank Reror.."iprffi Project No: 6252-020 Date: October l0,2006ApplicanVown"r: Lufa.g" No.th AmIG Investigator: Jon Dauvardis, p.WS Do normal circumstancei-exi.t .n th; rit.?PIot ID: Area 17 l7-1 to 17-23 Field Iocation/Sampte Is the area a potential problem Area % ofdo.ir* This is afacultative wetland community without a dominant upr-a"*.pJnZri.'ity*^is dominant along ainges and in adjacent ditch draining from E Sulfidic Odor traUruffiRemarks: a, h to free-standing waterli-pit: tr Oxidired Root Charn"li inTtr Saturated in upperl2lnches Remarks: aOa-"* species present' Hydrology is inferred likely due to iuii *ut.vg.oridwater .""fug" ao. adjacent ,pi.p. *"^ and an uprand ditch draining from theli* #::1lg:l :ixjx3ff:'#fr1#iff"[H: '"^*"'n.nt, within the .'*i,,g -,. (top 14' of the soil surface) are required for absorute proof Is the area a Water of tf,. US., "r.f - Is. the site signin.rrtty ArtGa @i.a P:\wetland-E&TSpecies\lvfcBride Habitrt-Gustavson Gravel permit.6252vD Addenda\wetland-Datasheet_Area 17-Tp2g_upr.doc Walsh Environmental, Inc. _ Jurisdictional Determination Data SheetProject/Site:N"@ Prolect No:-75L0)0 Date: Octobeil0,l0-GAppl i cant/Own.;--afarg" Norrh- A-..i.u Investigator:6;D"rrr*d-irJ.ws, Dono.,,d.@ Plot ID: Area 17Is the sire sigincantly aisturteaG$i"J Situation)?fi.lAt,*tiorl@ % of do.in* n fow-CEorni anO tvtotttes *.r*Og tralur@ I Saturat"a in uppei Ulncf,es q FAa r.rfiral T"stRemarks: UOl- Is the plant coilGtyiGtlild? L th" *.a a Wato ofrh.E3Remarks: t,r. - ,trtuoreprdaor u!@ ninEE-dvn3lrSvugOdor uxu:ldglOlil^ytetoxts !t€ a@-eunamffi#--=H- fl* E, ozfo.clt t TU(L Y uJ UJ E.ol I I,o{ - J$f \ a.?\ 5\ \, 'f. \1 'i' /lr i i "rr EIlxIo-lYl'2> IsElro t1-Z r Ef . 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