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Date: 12/31/2018 <br />Location: West Elk Mine <br />MOUNTAIN COAL COMPANY, LLC <br />WEST ELK MINE <br />Quarterly Pond Inspection Report <br />Somerset, Gunnison County, Colorado <br />Quarter: 4th Quarter 2018 Page 2 of 2 <br />Inspector: Mike Peacock <br />Pond Identification <br />FW -1 <br />SG -1 <br />RPE <br />NSSA <br />Deep well <br />of Pond <br />Fresh Water <br />Sediment <br />Sediment <br />Sediment <br />Fault Water <br />-Type <br />Sediment Level % <br />-- <br /><10% <br />West <5% <br />East <10% <br />0 <br /><5% <br />Water Level (Approx.) <br />90% <br />< 5% <br />< 5% <br />45% <br />Empty <br />20% <br />Discharge at Time of <br />Inspection (Y/N) <br />NA <br />N <br />N <br />N <br />N <br />N <br />Features <br />Maintenance Repairs <br />Problem Needed Needed Comments <br />Erosional: <br />Yes <br />No <br />Yes <br />No <br />Yes <br />No <br />Rills & Gullies on <br />Embankment <br />Inadequate <br />Vegetation <br />Outlet Channel <br />Erosion <br />Burrows <br />Other <br />Structural: <br />Yes <br />No <br />Yes <br />No <br />Yes <br />No <br />Differential Settling <br />Cracks or slides <br />Seepage <br />Other <br />Appurtenant Structures: <br />Yes <br />I No <br />Yes <br />No <br />Yes <br />No <br />Defective Spillways <br />De -watering Device <br />Clogged <br />Faulty Gates, <br />Baffles, Pumps <br />Other <br />Additional Comments: <br />Water was recycled from the sediment ponds for use as dust control on roadways and/or pumped into the sealed area of <br />the mine for storage and later use per MCC's adjudicated water storage right. <br />Action Required or Needed: <br />