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STATE OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />1313 Sherman St, Room 215 <br />Denver, Colorado 80203 <br />Phone: (3031 866-3567 <br />FAX: (303) 832-8106 <br />Interoffice MEMORANDUM <br />to: File <br />from: Byron G. Walker <br />subject: Review of Sedimentation Pond Inspection Reports <br />Permit: C-1982-056, 4`h Quarter 2004 <br />date: November 16, 2004 <br />COLORADO <br />DIVISION O F <br />MIN&RALS <br />GEOLOGY <br />REC LAMFTION•MI NING <br />SRFETY•SC IENCE <br />Bill Owens <br />Governor <br />Russell George <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The subject reports, submitted on a quarterly basis, were dated November 8, 2004, submitted <br />under a cover letter dated November 10, and received at the Division on November 12, 2004. <br />This review is conducted to determine compliance with Rule 4.05.9(17). Inspection reports were <br />submitted for Ponds B, C, D, E, F, G, T, the FCT, and the FCBH. <br />Were the ponds inspected for structural weakness? Yes [included differential settling, cracks or <br />slides, seepage, erosion (included rills and gullies on embankments, inadequate vegetation, outlet <br />channel erosion, burrows and other)]. <br />Were the ponds inspected for other hazardous conditions? Yes (included defective spillways, <br />dewatering device clogged, faulty gate, baffles, pumps, and other). <br />Did a qualified person designated by the operator prepare the reports? Yes, Sandra White <br />accomplished the inspections, certified by a registered engineer. <br />The reports also included information on sediment levels and any required maintenance. Yes. <br />Cleaning of the 115 Fish Creek Borehole pond had been accomplished. Dredging of the Fish <br />Creek Tipple pond is scheduled for the spring of 2005. Thistle had been sprayed at Pond C in <br />October of 2004. Pond E had been dredged in August of 2004. <br />Office of Office of Colorado <br />Mined Land Reclamation Active and Inactive Mines Geological Survey <br />