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Impacts on Scullion Gulch are expected to be similar to those on Red Wash al- <br />though maximum vertical subsidence is only predicted to be one foot after room <br />and pillar mining. Thickness of overburden is much less under Scullion Gulch <br />than Red Wash. The Staley-Gordon Mine, abandoned in 1970, has only 200 - 300 <br />feet of overburden thickness, comparable to that under Scullion Gulch in the <br />Deserado Mine. o surface expressions of d <br />areas in the Stalev-Gordon. Examination by Western Fuels, Inc. showed that the <br />one known roof fall in the mine caused a collapse that extended only 16 feet <br />above the roof line where it was halted by a massive, strong sandstone (p. <br />III-140D of the permit application). Tension cracks probably did occur above <br />the Staley-Gordon mine, but have been erased by weathering. Similar tension <br />cracks may cause several stock ponds in the Scullion Gulch basin to lose some <br />impounded water. To prevent this loss, the applicant may modify mining proce- <br />dures beneath the pond areas. If this does not happen, compensation for water <br />loss will be made. The ponds will be repaired or replaced and water hauled in <br />until the recovery is complete. (page II. C-106c of the permit application). <br /> <br />34 <br />