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QL' t7 <br />?/ . , a ?g ' dq l ta.? <br />GEOTECH <br />Civil, Structural & Geotechnical Engineers <br />222 South Park Ave. ° Montrose, CO 81401 <br />Ph.: (970) 249-6828 • FAX: (970) 249-0945 <br />September 28, 20097 <br />Mr. Kye Abraham ' V <br />LKA International, Inc. <br />By email only kabraham@ikaintl.com <br />RE: Golden Wonder Mine Bypass Pipe Construction, Lake City, Colorado <br />Dear Kye: <br />Buckhorn Geotech performed a final inspection of the bypass pipe installation at the Golden <br />Wonder Mine on August 6, 2009.e*The inspection took place a day after the area received <br />rain and everything appeared to be functioning well. On August 6, 2009, it was noted that <br />the installation was primarily complete per the design drawings and specifications with the <br />exception of: <br />• Air vent directly behind headwall is to be installed <br />• Backfill behind headwall and at inlet is to be competed after air vent installed <br />• Inlet area is to be rip-rapped <br />• Grate is to be installed at inlet <br />Based on the photographs you provided, and also those forwarded by Bob Oswald of Division <br />of Reclamation, it appears these last items have been completed. Please refer to the <br />attached observation report for our August 6 visit, and the photographs supplied to us to <br />document completion. Thank you for the opportunity to assist with this project. <br />Sincerely, <br />Judith D. Kittson, P.. <br />Project Manager <br />CC: <br />Bob Oswald, Division of Reclamation, Mining & Safety <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />Kelly Morgan, Colorado Dept. of Public Health & Environment <br />Water Quality Control Division <br />4300 Cherry Creek Drive South <br />Denver, CO 80246 <br />Dave Lazorchak, Bureau of Land Management <br />216 North Colorado St. <br />Gunnison, CO 81230