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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: 6 MN CONSTRUCTION HOLDING POND <br />REFERENCE ELEVATIONS: BERM CREST = : BOTTOM POND = <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: A[1,4 <br />Sediment level (% total storage) <br />Outflow (cfs): �i(f <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments 0 �✓ C f� fQ��(C� <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <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 />MAINTENANCE REQUIRED: C- L ! n ✓, a <br />i : /document/grtlypnd/Pondinsp.doc <br />