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Date: 3/21/2017 <br />Location: West Elk <br />MOUNTAIN COAL COMPANY, LLC <br />WEST ELK MINE <br />Quarterly Pond Inspection Report <br />Somerset, Gunnison County, Colorado <br />Quarter: 1St Quarter 2017 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 />-Type of Pond <br />Fresh Water <br />Sediment <br />Sediment <br />Sediment <br />Fault Water <br />Sediment Level % <br />-- <br /><10% <br />West <5% <br />East <5% <br /><0% <br />-- <br />Water Level (Approx.) <br />90% <br />30% <br />< 5% <br />50% <br />Empty <br />60% <br />Discharge at Time of <br />Inspection (Y/N) <br />NA <br />N <br />N <br />N <br />N <br />N <br />Maintenance Repairs <br />Features 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 />�l <br />Burrows <br />Other <br />Structural: <br />Yes <br />No <br />Yes <br />No <br />Yes <br />No <br />Differential Settling <br />I q <br />Cracks or slides <br />Seepage <br />Other <br />Appurtenant Structures: <br />Yes <br />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, as well as pumped to the CPP (as <br />needed) and/or into the sealed area of the mine for storage and later use per MCC's adjudicated water storage right. <br />Action Required or Needed: <br />