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ANNUAL & QUARTERLY POND INSPECTION <br />COORS ENERGY COMPANY <br />KEENESBURG MINE SITE <br />Date of Inspection � -/ J-1a 1.3 <br />Pond Identification: <br />Sediment <br />Sewage <br />Dugout <br />Reclaim <br />- Cracks /Slides <br />Pond #2 <br />Lagoon <br />N'0 <br />Pit "B" <br />Type of Pond <br />Sediment <br />Evaporation <br />Permanent <br />Evaporation <br />Approx. water level <br />I� <br />Tea, cG_ <br />7–r4,c t. <br />Tia cZ <br />- (% of capacity) <br />Sediment level <br />_Q_._ <br />.q <br />O /d . <br />/,0,40 <br />N/A <br />- (% of capacity <br />5,097,925 gals. <br />392,150 gals. <br />6,437,760 gals. <br />N/A <br />Outflow <br />These impoundments are maintained in accordance with <br />/V Ik <br />O _ <br />O <br />yes no <br />yes no <br />yes no <br />yes no <br />Erosional Features: <br />- Rills / Gullies <br />_ 'Vo <br />4"0 <br />,O <br />Ala_ <br />- Inadequate <br />Vegetation <br />t! O <br />A/0 <br />i✓0 <br />- Outlet Channel <br />Erosion <br />,.�0 <br />A10 <br />N 0 <br />- Burrows <br />_— <br />,v0 <br />✓D <br />w/O <br />.✓� <br />- Other <br />Structural Issues: <br />Settlement <br />Al D <br />4/0 <br />'v0 <br />y d <br />- Cracks /Slides <br />NO <br />✓p <br />N'0 <br />♦'0 <br />-Seepage <br />_ -N O <br />ed9 <br />A10 <br />.✓0 <br />- Spillways (cond.) <br />(viol <br />Atli _ <br />(2,&Oj <br />Grpd <br />-Other <br />Capacities: <br />15.6 acre ft. <br />1.2 acre ft. <br />19.7 acre ft. <br />N/A <br />5,097,925 gals. <br />392,150 gals. <br />6,437,760 gals. <br />N/A <br />Comments: <br />These impoundments are maintained in accordance with <br />the approved <br />plans and applicable regulations for each. <br />Signature (P.E. or Authorized Inspector): <br />