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Date: 3/21/2017 <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: 1St Quarter 2017 Page 1 of 2 <br />Inspector: Mike Peacock <br />Pond Identification FW -2 (formerly MB -1) MB -3 <br />MB -4 MB -5E <br />of Pond Fresh Water Sediment <br />Sediment Sediment <br />-Type <br />Sediment Level % North - NA <br />South - NA <5% <br /><10% North <5% South <5% <br />Water Level (Approx.) 90% <br />90% <10% <br />50% 20% 30% <br />Discharge at Time of NA <br />Inspection (Y/N) <br />NA 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 />�1 <br />Inadequate <br />Vegetation <br />See Comment Below <br />Outlet Channel <br />Erosion <br />�1 <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 />�l <br />De -watering Device <br />Clogged <br />Faulty Gates, <br />Baffles, Pumps <br />�l <br />Other <br />Additional Comments: <br />The pipeline trench along the south side of Pond MB -5E needs regrading and seeding when ground conditions allow. <br />Action Required or Needed: <br />