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ANNUAL & QUARTERLY POND INSPECTION <br />COORS ENERGY COMPANY <br />KEENESBURG MINE SITE <br />Date of Inspection /;2 —.S — <br />Pond Identification: <br />Sediment <br />Sewage <br />Dugout <br />Pond #2 <br />Lagoon <br />Type of Pond <br />Sediment <br />Evaporation <br />Permanent <br />Approx. water level <br />®1 <br />0 <br />- (% of capacity) <br />Sediment level <br />10 �a <br />r <br />- 5 %. <br />- (% of capacity <br />Outflow <br />o <br />414 <br />Erosional Features: <br />Rills / Gullies <br />Inadequate <br />Vegetation <br />Outlet Channel <br />Erosion <br />Burrows <br />Other <br />Structural Issues: <br />Settlement <br />Cracks /Slides <br />-Seepage <br />- Spillways (cond.) <br />-Other <br />e I <br />yes <br />Y <br />oor� <br />Reclaim <br />Pit `B" <br />Evaporation <br />ves no <br />Capacities: 15.6 acre ft. 1.2 acre ft. 19.7 acre ft. N/A <br />5,097,925 gals. 392,150 gals. 6,437,760 gals. N/A <br />Comments: These impoundments are maintained in accordance with the approved <br />plans and applicable regulations for each. <br />Signature (P.E. or Authorized Inspector): d)U P - <br />