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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />C y a '~ <br />POND FCT <br />RISER CREST = 55.0; DEWATER HOLE = 51.8 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: `~ 7 <br />Sediment level(% totalstorage) ~j /G o`L/ <br />Outflow (cfs): (/ / Q6 J y <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~ <br />Inadequate Vegetation J~ <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 a <br />ADDITIONAL COMMENTS: <br />MAINTENANCE <br />is/documentlgrtfypnd/Pondinsp.doc <br />