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c <br />TR9PP8R ~ININC INC. <br />III illlliillllll III <br />December 8, 1988 <br />CEP,TIFIED P643932089 <br />Mr. Gregg Squire <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />Dear Gregg: <br /> <br />oFc ~ ~± 1938 <br />[~ECJ<AFJFiTIQiW vIVIS10Fv <br />Subject: Quarterly sediment pond inspections for Trapper Mine. <br />Attached are the fourth quarter 1988 sediment pond inspection reports. <br />There are no major structural problems. Drainage reconstruction techniques elim- <br />inated the need for sediment cleaning this year in all sediment control ponds <br />except for Coyote Dam. We are cleaning the 12 acre-feet of sediment from Coyote <br />and plan to have cleaning completed by the end of December, 1988. <br />The new Pyeatt Dams were constructed and the area re-seeded. <br />There is no evidence of piping in any of the dams which have culverts through the <br />dam. <br />The 1987 ponds were re-seeded this fall. Initial seeding response at these <br />structures was not adequate. <br />Gregg, if you have any questions or require further information, please contact <br />me. <br />Sincerely, <br />~~ <br />H. Bruce Humphries <br />Sr. Env. Engineer <br />l7SH/jb <br />{CMLRD\DECOSj <br />Enclosure <br />pc R.L. Fanyo <br />L.W. Henderson <br />W.S. Harding <br />File 109.2.3.2 <br />P.O. Box 187 Craig. Colorado 61625 (303) 824-4401 <br />