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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 />9 -IS -IT <br />POND E <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ^ US 3 I <br />Sediment level (% total storage) S`(� <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓ <br />STRUCTURAL: <br />Inadequate Vegetation ✓ <br />Outlet Channel Erosion ✓ <br />Burrows ✓ <br />Other <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: ((�� r <br />MAINTENANCE REQUIRED: ke MC7 �°Y L'C ' 'S 1 22�� LL ���C� oc'-0 4 <br />INSPECTOR: 1410v"4�-, je-au)CgL- ! Re C�v\.Q <br />i:/document/grtlypnd/Pondinsp.doc <br />