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~~~ <br />m ec°]adc and eariranment campmrv <br />June 20, 2006 <br />RECEIVED <br />Mr. Mark Gilfillan <br />US Army Corps of Engineers <br />Sacramento District <br />Colorado/Gunnison Basin Office <br />Aspinall Federal Building <br />402 Rood Avenue, Room 142 <br />Grand Junction, Colorado 81501-2563 <br />SEP 1 12006 <br />Divls(on of Reclamation, <br />Mining and Safety <br />Re: Revised Request for Verification of Jurisdictional Delineation for the North bank <br />Resources Property, Rifle, Colorado <br />Dear Mr. Gilfillan: <br />On behalf of Lafarge North America (Lafarge), Walsh Environmental Scientists and Engineers, <br />LLC (WALSH) is formally requesting verification of a jurisdictional wetland boundary <br />delineation conducted on an approximately 239-acre site located east of the town Rifle, <br />Colorado. The enclosed information summarizes the results of WALSH's wetland delineation <br />conducted on October 11, 2005 and during a subsequent delineation performed on May 26, 2006. <br />The local contact information for the applicant is provided below: <br />Mark Vigil <br />Land and Lease Specialist <br />Lafarge North America <br />10170 Church Ranch Way, Ste. 200 <br />Westminster, CO 80021 <br />Phone: (303) 657-4336 <br />Fax: (303) 657-4037 <br />Email: mark.vigil@lafarg-na.com <br />B. Dauzvardis, PWS <br />Restoration Ecologist <br />Walsh Environmental Scientists and Engineers, LLC <br />4888 Pearl East Circle, Suite 108 <br />Boulder, Colorado 80301 <br />Phone: (303) 443-3282 <br />Fax: (303) 443-0367 <br />Email: jdauzvardis@walshenv.com <br />Location <br />The site is located within a 239-acre property along the north bank of the Colorado River <br />between State Highway 6 and Interstate 70 in Section 12, Township 6 South, Range 93 West in <br />Garfield County (Latitude N39°32'30" North, Longitude 107° 43' 28" West). The site is <br />contained on the Silt, Colorado USGS 7.5 minute quadrangle (Figure 1 -USGS Site Location <br />Map). To access the site from I-70, take the Rifle exit and turn north into Rifle. Turn east on <br />Highway 6 and travel for approximately 3.5 miles. Turn south onto a gravel driveway that <br />crosses the Denver and Rio Grande Railroad leading to an abandoned farm/ranch house. From <br />there, the proposed gravel mine area is located further south within a terrace intermediate <br />between the Colorado River and an upland terrace. <br />4335 Ycsrl En t C'imle .Suite 103 . B°uldrr. C°lomd° .80301-247` Phone 13051475-3232 FAx (3051-143-03fi7 <br />