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GRAND VALLEY COAL COMPANY <br />POND INSPECTION REPORT <br />2-25-98 <br />iii iiiiiiiiiiiii iii _ g g' <br />l <br />MUNGER CANYON MINE <br />C-020-81 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />APPROXIMATE WATER LEVEL <br />SEDIMENT LEVEL <br />OUTFLOW (cfs ) <br />FEATURES <br />EROSIONAL <br />RILLS 8 GULLIES ON EMB <br />INADEQUATE VEGETATION <br />OUTLET CHANNEL EROSION <br />BURROWS <br />OTHER <br />STRUCTURAL <br />DIFFERENTIAL SETTLING <br />CRACKS OR SLIDES <br />SEEPAGE <br />OTHER <br />APPURTENANT STRUCTURE: <br />DEFECTIVE SPILLWAYS <br />DEWATERING DEVICE CLOGGED <br />FAULTY GATES, BAFFLES <br />OTHER <br />SAE 1 SAE 2 SAE 3 SAE 4 SAE 5 <br />MINE LOMA DIRT TOPSOIL FAN <br />10% 0% 0% 0% 0% <br /><10% <5% <5% <5% <5% <br />0 0 0 0 0 <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO NO NO NO <br />NO NO 1 NO NO <br />ADDITIONAL COMMENTS Note 1 -Filter fabric in place but needs to be changed. <br />The old fabric has deteriorated bacause of UV exposure. <br />Changed on 3-12-98 <br />MAINTENANCE REQUIRED NONE NONE NONE NONE NONE <br />INSPECTOR ~.Z% ~ .~- <br />