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<br />OPERATOR: <br />MINE: <br />DATE OFINSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />TWENTYMILE COAL COMPANY <br />FOI/DEL CREEK MINE <br />~! ~3 l96 <br />POND H <br />RISER CREST = 6792.5: LOWEST HOLE = 69662 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: lo9ly s ~ <br />Sediment level (% total storage) 2~"~0 <br />OutOow (cfs): ~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills 3c Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion v <br />Burrows v <br />Other ~ <br />STRUCTURAL: <br />Differential Settling ~ <br />Cracks or Slidesa C/ <br />Seepage (/ <br />Other (~ <br />APPURTENANT STRUCTURES; <br />Defective Spillways !~ <br />Devva[ering Device Clogged <br />Faulty Gates, Baffles, Pumps i/ <br />Other i~ <br />ADDITIONAL COMMENTS: /~Uti~c <br />MAINTENANCE REQUI <br />I:/DOCUMENT/PON DINSP.DOC <br />