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:~ <br />~~ <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />COLORADO YAMPA COAL COMPANY <br />MINE 3 <br />9~L3196 <br />POND M3N <br />EMERGENCY SPILLWAY = 6670.1 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6 to67 <br />Sediment level (% total storage) ~~°Ie <br />Outflow (cfs): Q • QO/2 S <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments f <br />Inadequate Vegetation <br />Ou[le[ Channel Erosion / <br />Burrows !~ <br />Other <br />STRUCTURAL: <br />Differential Settling l` <br />Cracks or Slidesa <br />Seepage <br />Other <br />APPURTENANT STRUCTURES; <br /> <br />Defective Spillways <br />Dewatering Device Clogged <br /> <br />Faulty Gates, BafBes, Pumps <br /> <br />Other <br />ADDITIONAL COMMENTS: /ItONE <br />MAINTENANCE REQUIR <br />I:/DOCUMENT/PON DIN SP. DOC <br />