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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: 9/10-12/2010 Quarter: <br />Page 1 of 2 <br />Location: West Elk Mine Inspector: R. Sweetwood <br />Pond Identification FW-2 (formerly MB-1) MB-3 MB-4 MB-5E <br />Type of Pond FRESH WATER SEDIMENT SEDIMENT SEDIMENT <br />Sediment Level % <5% <5% <5% <5% <br />Water Level (A rox.) 0% 10% 80% 40%, cell A, 5% cell B <br />Discharge at Time of <br />Inspection (Y/N) N N N N <br />Maintenance Repairs <br />Features Problem Needed Needed Comments <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 s %too <br />Seepage c,, a= 2 i uj <br />Other ' ?<y 1 <br /> ?. .,. <br />Appurtenant Structures: Yes No Yes jNo Yes No OF ISi Np' <br />Defective Spillways <br />De-watering Device <br />Clogged <br />Faulty Gates, <br />Baffles, Pumps <br />Other <br /> <br />Additional Comments: MB-2R was removed and MB-5 was rebuilt and is now MB-5E. FW-2 (MB-1) is being cleaned. <br />Action Required or Needed: <br />