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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 />3~Za /U 6 <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: l0 ~3Q • ~Oa <br />Sediment level (% total storage) ~Yd P r~ <br />Outflow (cfs): G ~ ((o <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation / S9»'~C Srv/.v ~ ~C~. <br />Outlet Channel Erosion _~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides `'~ ~u _~UrJ <br />Seepage '~ ~'~ ~ci.,~~s <br />Other <br />APPURTENANTSTRUCTURES: <br />Defective Spillways v <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL Ci <br />MAINTENANCE <br />is/documenUgrtlypnd/Pondinsp.doc <br />