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;~ MOUNTAIN COAL COMPANY <br />WEST ELK MINE <br />Quarterly Pond Inspection Report <br />Somerset, Gunnison County, Colorado <br />Date: December 30-31. 1996 Quarter: <br />Location: West Elk Mine Inspector: <br />Pond Identification <br />Type of Pond <br />Sediment Level <br />(Appro.) <br />Water Level (Approx.) <br />Outflow <br />Features <br />Page 1 of 2 <br />MB-1 South MB-I North MB-2R MB-3 A1B-4 <br />Sediment Sediment Sediment Sediment Sediment <br /><10% <10% 15% 5% 5% <br />Full Full 6 ft.< top Full l5% Full <br />See DMR See UMR See DMR See DMR See UMR <br />Problem <br />Comments <br />Erosional: <br />Rills & Gullies on Embankment Yes No <br />/ <br />Areas snow covered at time of inspection. <br />Inadequate Vegetation / <br />Outlet Channel Erosion / <br />Burrows / <br />Other <br /> <br />Structural: <br />Differential Settling Yes No <br />/ <br />Areas snow covered at time of inspection. <br />Cracks or slides / <br />Seepage / <br />Other / <br /> <br />Appurtenant Structures: <br />Defective Spillways Yes No <br />/ <br />I)e-watering Device Clogged / <br />Faulty Gates, Baffles, Pumps / <br />Other / <br /> <br />Additional Comments: <br />Open water on MB-1 south and north; MB-?Rand MB-3 ice covered; MB-4 open from recent wash down of train <br />load-out facility. <br />o`~QPO wRf FtiSf~~c~ i <br />G l~, o~~.,~p <br />Action Reouired or Needed: 9((; r2~$~1 /~'y1 <br />~T t~z~+r-JrY-Y7®f~L~4. <br />Fss~ ~....w••GSG~ <br />ONAI 4` <br />