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ANNUAL & QUARTERLY POND INSPECTION <br />COORS ENERGY COMPANY <br />KEENESBURG MINE SITE <br />Date of Inspection / ,2 - <br />Pond Identification: <br />Sediment <br />Sewage <br />Dugout <br />Reclaim <br />.✓v <br />Pond #2 <br />Lagoon <br />-Seepage <br />Pit "B" <br />Type of Pond <br />Sediment <br />Evaporation <br />Permanent <br />Evaporation <br />Approx. water level <br />U <br />(% <br />U <br />0 <br />- (% of capacity) <br />15.6 acre ft. <br />1.2 acre ft. <br />19.7 acre ft. N/A <br />Sediment level <br />0 <br />6,437,760 gals. N/A <br />Comments: <br />These impoundments are maintained in accordance with the approved <br />- (% of capacity <br />Outflow <br />ves no <br />yes no <br />Nes no <br />yes no <br />Erosional Features: <br />Rills / Gullies <br />- Inadequate <br />Vegetation <br />qq,, <br />- Outlet Channel <br />Erosion <br />NO <br />,✓o <br />- Burrows <br />Other <br />.w <br />Structural Issues: <br />Settlement <br />fid <br />✓ <br />v0 O <br />- Cracks/Slides <br />.✓v <br />-Seepage <br />Iva <br />- Spillways (cond.) <br />-Other <br />Capacities: <br />15.6 acre ft. <br />1.2 acre ft. <br />19.7 acre ft. N/A <br />5,097,925 gals. <br />392,150 gals. <br />6,437,760 gals. N/A <br />Comments: <br />These impoundments are maintained in accordance with the approved <br />plans and applicable regulations for each. <br />Signature (P.E. or Authorized Inspector): <br />