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<br /> <br />C <br />• <br />. /\YO ~ I <br />Sanhom Creek Mine <br />~.. <br />SECOND QUARTER 1997 <br />JUNE 4, 1997 <br />POND INSPECTION REPORT <br />POND IDENTIFICATION: SANBORN HUBBARD <br />TYPE OF POND: MINE H2O SEDIMENT <br />APPROXIMATE WATER LEVEL: FULL DRY <br />APPROXIMATE SEDIMENT LEVEL: ---- <5% <br />OUTFLOW: 175 GPM NONE <br />FEATURES <br />EROSIONAL: <br />RILLS & GULLIES <br />INADEQUATE VEGETATION <br />OUTLET CHANNEL EROSION <br />BURROWS <br />OTHER <br />STRUCTURAL: <br />DIFFERENTIAL SETTLING <br />CRACKS OR SLIDES <br />SEEPAGE <br />OTHER <br />APPURTENANT STRUCTURES: <br />DEFECTIVE SPILLWAY <br />DEWATER DEVICE CLOGGED <br />FAULTY GATES, ETC. <br />OTHER <br />MAINTENANCE REQUIRED: <br />REFERENCE DRAWINGS: <br />SUBSTATION N0.3 <br />SEDIMENT <br />DRY <br /><10% <br />NONE <br />PROBLEM PROBLEM PROBLEM <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />NO NO NO <br />5-004 C8-1234 5-092 <br />COMMENTS: The SWMP control devices were inspected. All SWMP <br />control devices were found to be in good condition. The sediment <br />level in the Sanborn Creek Mine water pond cannot be determined <br />when the pond is full. The pond was dewatered during the third <br />quarter 1995 and inspected. Inflow into the mine water pond since <br />it was dewatered and cleaned during the third quarter 1994 has not <br />contained enough sediment to require the pond to be cleaned. <br />~/.5-/9~ <br />Thomas C. Anderson Date <br />Colorado Registered <br />Professional Engineer No. 14726 <br />P O. B o z 5 3 5 S o m e r s e t C o l o r a d o 8 1 4 3 4 U S A <br />TEL ( 9 7 0) 9 2 9- 5 1 2 2 F A X ( 9 7 0) 9 2 9. 5 1 7 7 <br />