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MOUNTAIN COAL COMPANY, L.L.C. <br />WEST ELK MINE <br />Quarterly Pond Inspection Report <br />Somerset, Gunnison County, Colorado <br />Date: 3/15/2010 Quarter: 1" Qtr Page 1 of 2 <br />Location: West Elk Mine Inspector: R. Sweetwood <br />Pond Identification MB-1 MB-2R MB-3 MB-4 MB-5 <br />Type of Pond SEDIMENT SEDIMENT SEDIMENT SEDIMENT SEDIMENT <br />Sediment Level % 10% 5% <5% 0% 0% <br />Water Level (A rox.) 10% Full 40% Full 20% Full 10% Full Empty <br />Discharge at Time of <br />Inspection (Y/N) N N N N N <br />Maintenance Repairs <br />Erosional: Yes No Yes No Yes No <br />Rills & Gullies on <br />Embankment <br />Inadequate <br />Vegetation <br />Outlet Channel <br />Erosion <br />Burrows <br />Other <br /> <br />Structural: Yes No Yes No Yes No <br />Differential Settling <br />Cracks or slides <br />:' 10Es N°•-.,'Z`0 <br />See age z? O <br />Other "•_ <br /> •% s W 11 <br />Appurtenant Structures: Yes No Yes No Yes No .o?? r <br /> <br />Defective Spillways .• <br />••••••• •• <br />De-watering Device <br />Clogged 10 <br />Faulty Gates, <br />Baffles, Pumps <br />Other <br /> <br />Additional Comments: <br />Action Required or Needed: