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~ 4 <br />C c~RUs <br />~ Yampa Valley <br />• • <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 <br />DATE OF INSPECTION JUNE 24, 1993 <br />POND IDENTIFICATION <br />TYPE OF POND SEDIMENTATION <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6669.7 <br />Sediment level (% total storage): APPROX. 10.0% <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 _X_ <br />Cracks or Slides _X <br />Seepage _X <br />Other X <br />APPURTENAPJT STRUCTURES: <br />Defective Spillways _X <br />Dewatering Device Clogged _X <br />Faulty Gates, Baffles, Pumps _X <br />Other X <br />ADDITIOtJAL COMMENTS: <br />MAINTENAPIC <br />INSPECTOR <br />