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III IIIIIIIIIIIII III <br />999 <br />TR9PPER ~ININC INC. ~u C~9~' <br />JUL 2 9 1991 <br />f~llined Land <br />July 25, 1991 Reclamation Division <br />CERTIFIED #P468756356 <br />Mr. David Berry <br />Colorado Mined Land Reclamation Division <br />215 Centennial Bldg. <br />1313 Sherman St. <br />Denver, CO 80203 <br />Dear David: <br />Subject: Additional information for technical revision 55 -Johnson Gulch Pond #9 and #10 spill- <br />waydesign -Trapper Mine C-81-010 <br />As requested from Roger Fish on 7/24/91, please find enclosed updated cross sections and spillway configu- <br />ration designs for Johnson Gulch Pond #9. Also attached is hydrology and sedimen[ology output for the <br />Johnson Gulch drainage system. David, please contact Roger Fish or me if you have any questions or con- <br />cerns. <br />Sincerely, <br />~/~~~t~~ ~~~~ <br />William Agnew <br />Sr. Environmental Engineer <br />Wpb <br />ICMLRDUULY251 <br />Enclosure <br />c ].M. Mauern <br />R.W. Rsh <br />file <br />P.0. Box 187 Craig, Colorado 81626 (303) 824-4401 <br />