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<br />TR9PPER 1~ININC INC. <br />~II I~~~I~II~II~~ II~ <br />December 11, 1~~CE1 ~ ~ ~ <br />Certified #P782939231 <br />Mr. Kent Gorham <br />Colorado Mined Land Reclamation Division <br />215 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />DEC 1 8 ~gg~ <br />Mined Land <br />Subject: Trapper Mine Fourth Quarter (1991) Sediment Pond Inspection Report <br />Dear Kent: <br />Trapper's Fourth Quarter sediment pond inspection reports are attached. All storm <br />runoff has passed without an incident. All dams have functioned as designed. <br />All dams having the culvert principal spillway design (Johnson #10, No Name #2 and No <br />Name #4) are functioning properly and show no evidence of piping. Additionally, there <br />are no other structural or erosional problems to report The overall hazard potential for <br />all structures is 111E (MSHA); meaning a minimal possibility of failure; and the low <br />potential for injury andlor loss of property, if a fai]ure should occur. <br />Please call if you have any questions or concerns. <br />Sincerely, <br />William Agnew <br />Sr. Environmental ngineer <br />Attachments (12 field sheets) <br />WApkw/026 <br />pc: J. M. Mattern <br />W. S. Harding w/o encl. <br />B. D. Nicholson w/o encl. <br />51e <br />P.O. Box 187 Craig, Colorado 81626 (303) 824-4401 <br />