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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 />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6871.5; BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: /►��/4 <br />Sediment level (% total storage) 0 <br />Outflow (cfs): o/-r'— <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills &Gullies on Embankments � <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: t*tVQ✓ f /V <br />MAINTENANCE REQUIRED: 1 P / n <br />441 AZ- /udn /A(i <br />v f'- <br />INSPECTOR: <br />f/c1�L� Wj /� I-e vsel -4 a `y o ✓fi sCJ /( <br />is /document/grtlypnd/Pondinsp.doc <br />