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4 • • <br />C c~RUs <br />~ Yampa Valley <br />Cyprus Yampa Valley Coal Corporation <br />29587 Routt County Road #27 <br />Oak Creek, Colorado 80467 <br />303-879-3800 <br />OPERATOR: COLORADO YAMPA COAL COMPANY <br />MINE: MINE 3 <br />DATE OF INSPECTION MARCH 25. 1993 <br />POND IDENTIFICATION M3S <br />TYPE OF POND SEDIMENTATION <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6669.7 <br />Sediment level (1$ total storage): APPROX.10% <br />Outflow (cfs): NO OUTFLOW <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankment X <br />Inadequate Vegetation X <br />Outlet Channel Erosion _X_ <br />Burrows _X_ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANC <br />INSPECTOR <br />HUU 1'1'1 VNAL I:VMMI';lY'1'S: <br />MAINTENANC <br />INSPECTOR <br />X <br />_ _X_ <br />_ _X_ <br />X <br />X <br />_ _X_ <br />_ _X_ <br />X <br />