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<br /> <br />TR9PPER MINING INC. <br />• ~~~ I~~II~I~~II~II~I <br />September 27, 1989 <br />CERTIFIED P 175 046 611 <br />Mr. Tony Waldron <br />Colorado Mined Land Reclamation Division ~ ~ ~ ~ ~ ~~~ <br />215 Centennial Building <br />1313 Sherman Street o C T ~ 1989 <br />Denver, CO 80203 <br />MINED LAND <br />Dear Tony: RECLAMATION DIVISION <br />Subject: Trapper Mine Third Quarter Sediment Pond Inspections <br />Our third quartet 1989 sediment pond inspection reports are attached. There <br />are no structural problems nor evidence of piping in the older structures with <br />principal spillways through the dam to report. All dams are func[ioning as <br />designed. All storm runoff has past without incident. Vegetation response on <br />our 1968 dam seedings is adequate and was evaluated this quarter. <br />During the 3rd quarter, some sediment levels were approximated as the water <br />levels and algae growth shielded observation of actual volumes. However, no <br />sediment ponds are proposed for cleaning this year. In the event pond <br />cleaning becomes necessary, the Division will be notified for approval. <br />Muskrat activity in our sediment control structures has declined. We will <br />continue to monitor and insure against future damage. <br />Sincerely, <br />William Agnew ~ <br />Senior Environmental Engineer <br />Attachment <br />WSH/ses/048 <br />pc R.L. Fanyo <br />J.M. Mattern <br />W.S. Harding <br />B.D. Nicholson <br />File <br />P.0. Box 187 Craig. Colorado 87626 (303) 824-4401 <br />