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Pittsburg & Midway Coal Co. P. O. Box 176 Oak Creek, CO 80467 Edna Mine Complete Oversight Inspection September 12 & 13, 1995 Participants: Dave Beverlin, P & M Terry Crowner, P & M Larry Routten, DMG Henry Austin, OSM I accompanied Larry Routten of the Colorado Division of Minerals and Geology (DMG) on a complete oversight inspection of the Edna Mine. Weather conditions were clear and warm and ground conditions were dry throughout the mine. The last Office of Surface Mining (OSM) oversight inspection at this site was conducted on May 11, 1994. The permittee has decided to cease mining and modify the approved reclamation plan in order to proceed with final reclamation of the site. We began the inspection at the final pit area. With the decision to cease mining the permittee is preparing a Technical Revision (TR) to request a revised final topography at the final pit area. According to the permittee the current final pit orientation exists at the location of the first significant drainage feature encountered by the Moffatt Pit advancement. The permittee feels this will help to justify reconstruction of a drainage feature (meandering channel) at the final pit location. The permittee has been blasting to reduce the final highwall and has 2 or 3 more shots on the highwall to complete this process. We discussed a stability analysis which is currently being reviewed by DMG. The analysis considers the final pit location relative to the pit which was backfilled during the fall of 1993. A seasonal spring has developed at the downslope toe of the 1993 backfilled pit and was reported on the last OSM oversight inspection. Mr. Beverlin discussed fracturing of the downslope lowwall at the 1993 pit location prior to backfiling to aid in draining the backfill area. We discussed potential hydrologic connections between the final pit and adjacent disturbed and undisturbed areas. We also discussed the peizometer network. We inspected the Moffatt sediment pond and the dust supression water loading facility. These areas were stable with no sign of discharge or recent surface water runoff. The permittee will submit a TR to retain both of these areas to facilitate the proposed post mining land use. Apparently the permittee will also submit a TR to request a change in the post mining land use from range land to grazing land.