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Date: 9/27/17 <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: 3rd Quarter 2017 Page 1 of 2 <br />Inspector: Mike Peacock <br />Pond Identification FW -2 (formerly MB -1) <br />MB -3 <br />MB -4 MB -5E <br />Type of Pond Fresh Water <br />Sediment <br />Sediment Sediment <br />Sediment Level % North - NA South - NA <br /><5% <br /><10% North <5% South <10% <br />Water Level (Approx.) 100% 100% <br /><10% <br />30% 15% 40% <br />Discharge at Time of NA NA <br />Inspection (Y/N) <br />N <br />N N 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 />-4 <br />Inadequate <br />Vegetation <br />-4 <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 />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 />�l <br />Additional Comments: <br />The pipeline trench along the south side of Pond MB -5E has been regraded and covered with gravel for access to the <br />South cell and the spillway area. <br />Action Required or Needed: <br />