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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~Z ~ ~96 <br />RISER CREST = 6864.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: (086° <br />Sediment level (% total storage) 20 ~ ~T <br />Outflow (cfs): ~/~~~ c <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />YES NO <br />X <br />x <br />-,~-- <br />STRUCTURAL: <br />Differential Settling ~_ <br />Cracks or Slides ~_ <br />Seepage ~ <br />Other ~_ <br />APPURTENANT STRUCTURES; <br />Defective Spillways X <br />Dewatering Device Clogged _~_ <br />Faulty Cates, Baffles, Pumps ~ <br />Other ~ <br />ADDITIONAL COMMENTS: ~.'JE <br />MAINTENANCE REQUIRED: ~~E <br />1: DOC U E MNT/PON DIN SP. DOC <br />