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~~ ~~ <br />_ OPERATOR: Colorado Yamoa Coal Comoanv <br />MINE: Mine #3 <br />DATE OF INSPECTION: AsgOSt 5. 1986 - <br />Middle frock rivtantinn hacin _ Nnrth <br />POND IDENTIFICATION <br />TYPE OF POND <br />Incised - detention basin <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6663 <br />Sediment level (X total storage): <br />Outflow (cfs): No Flow <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills b Gullies on Embankment X <br />Inadequate Vegetation X <br />Outlet Channel Erosion ~_ <br />Burrows ~_ <br />Other <br />STRUCTURAL: <br />Erosion in channel due to pumping <br />To be repaired the fall :of 1986 <br />YES NO <br />Differential Settling X <br />Cracks or Slides X <br />Seepage _~ <br />Other ~_ Slump has occurred on the western <br />sldP of hacin. Tn ha rP an irpd the fall <br />of 1956. <br />APPURTENANT STRUCTURES: <br />YES NO <br />Defective Spillways ~_ <br />Dewatering Device Clogged N!A <br />Faulty Cates, Baffles, Pumps N/A <br />Other <br />ADDITIONAL COMMENTS: Spillway elevation 6670.7 <br />MAINTENANCE REQUIRED: Detention basin t0 be converted into a sediment pond <br />with appurtenant structures in the fall of 1986. <br />NAME OF INSPECTOR: _ ~ ~,~,p.~G~-4.r, <br />