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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 />S 3 i 1 tot $ <br />POND C <br />RISER CREST = 6864.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) C lOd a <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓ <br />Inadequate Vegetation J, cmb"k,mt-4 has bare SPo�-s <br />Outlet Channel Erosion <br />Burrows ✓ <br />Other �� ail (e.� ftee dl (D L i 60OM S <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 J� <br />ADDITIONAL COMMENTS: ,, rr L <br />MAINTENANCE REQUIRED: NW OL< boom,,, 0 lr �eT <br />i document/grtlypnd/Pondmsp.doc <br />