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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 />--r <br />ARCA #1 PIT <br />RISER CREST = 6854.11; BOTTOM OF <br />DEWATERING CULVERT =6851.4'7 <br />OPERATIONAL. STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) iA, w <br />Outflow (cfs): A20 PoLi <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />i/ - <br />Outlet Channel Erosion <br />--Lf <br />Burrows <br />-/ <br />Other <br />1 <br />Differential Settling <br />Cracks or Slides w— <br />Seepage <br />Other t/ <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps V-- <br />Other <br />'—Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: Ajo-,.(j- <br />INSPECTOR:, wtk'�Son <br />i:fdocui nai t/grilypnd/Pondinsp.doe <br />