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TABLE TWO -- HUERFANO COUNTY <br />MINE NAME COMMENTS ON FEATURES <br />Mutual Reclamation under way (Fall 1983). Cap t he two ve rtical shaft openings at the Mutual Mine <br />(cont.) with two reinforced concrete caps set on concrete caps set on concrete footers installed <br /> around the existing collar of each shaft opening. Stabilize fan house roof. <br />Niggerhead *: Two vertical openings. Hoist shaft is 8' wide by 16' long and is at least 200' deep. It <br />(possible shaft 8' wide by 16' long and is at least 200' deep. It is covered by 2x8 planks and wire fence. <br />of Solar Mine) Air shaft is 9' by 9' and 200' deep; brok en down wire fence and deteriorating a ir fan <br /> housing do not prevent access. <br />Reclamation completed April 1983. Concrete caps were installed over the two vertical shafts. <br />Niggerhead Reclamation under way (Fall 1983). Backfill the open adit at the Niggerhead Mine using a <br />No. 2 graded fill technique (riprap placed into each opening with a backhoe followed by nearby <br />(May be a part of spoil material to complete each fill). Regrade waste pile area to a stable configuration, <br />Las Animas Mine?) install identification monuments at both ad it entrances and revegetate disturbed areas. <br /> Rip highly compacted areas, and fence off revegetated areas. Install locking grate over <br /> second ad it. <br />Oakdale Reclamation under way (Fall 1983). Backfill the four open ad its and six subsidence <br /> features at the Oakdale Mine using a graded fill technique. Regrade borrowed spoil piles <br /> and backfilled areas to blend in with the surrounding topography. Install identification <br /> monuments at each adit entrance and rip highly compacted work areas. Revegetate disturbed <br /> areas, and fence off all seeded areas. <br />Ojo Canon Reclamation under way (Fall 1983). Backfill the two open ad its and subsidence feature at <br /> the Ojo Mine using a graded fill technique. Regrade borrowed waste pile to a stable <br /> configuration and rip all compacted areas. Revegetate all disturbed areas. Place a steel <br /> pipe monument over the center of each backfilled openinng. Fence off revegetated areas. <br />Z: Mining from Walsen and an unnamed seam (reference 2). <br />Key to unique features symbols: Z Multiple mining zones <br /> * Mine opening information <br />Reclamation and/or plans -- Table Two S Subsidence features <br />lists hazard abatement work F Mine fires <br />+ Discrepancy between two sources D Mine drainage -33- <br />