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• OPERATOR: Colorado Yan a Coal Company • <br />MINE: Mine 3 <br />DATE OF INSPECTION: December 30, 1987 <br />POND IDENTIFICATION: M35 <br />TYPE OF POND: Sedimentation <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6,669.4 <br />Estimated sediment level (% total storage): Approx. 5% <br />Outflow (cfs): No Outflow <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankment No <br />Inadequate Vegetation No <br />Outlet Channel Erosion No <br />Burrows No <br />Other __ <br />STRUCTURAL: YES NO <br />Differential Settling No <br />Cracks or Slides No <br />Seepage No <br />Other <br />APPURTENANT STRUCTURES: YES NO <br />Defective Spillways No <br />Dewatering Device Clogged No <br />Faulty Gates, Baffles, Pumps No <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: None <br />NAME OF INSPECTOR: <br /> <br />