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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />MINE 1. MINE 2. ECKMAN PARK _ <br />Z <br />POND A <br />RISER CREST = 6937.3• LOWEST HOLE — 6933.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 69 3-3, b <br />Sediment level (% total storage) 10 "/" <br />Outflow (cfs): _ 2.3 I t_ (S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments 6---� <br />Inadequate Vegetation ✓' <br />Outlet Channel Erosion l� <br />Burrows <br />�yl 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: <br />MAINTENANCE REOUIREE <br />c. <br />is documendgrtlypnd/Pondmsp. doe <br />