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<br />OPERATOR: <br />MINE; <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION <br />REFERENCE ELEVATIONS: <br /> <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />9~L4~96 <br />POND M <br />RISERCREST = 96.4; DEWATER HOLE = 90.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level(% lotalstorage) <br />Outflow (cfs): <br />~a. 4 <br />2 5°Io <br /> <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments f <br />Inadequate Vegetation !~ <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slidesa <br />Seepage <br />Other <br />APPURTENANT STRUCTURES; <br />Defective Spillways I/ <br />Dewatering Device Clogged <br />Faulty Cates, BafOes, Pumps // <br />Other ~ <br />ADDITIONAL COMM <br />MAINTENANCE REQ <br />/.~oAJF <br />I:/DOCUMENT/PON DIN SP. DOC <br />