2011-11-19_REPORT - M1980244 (3)

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amec- L—th & Envuoi, m_ Location Week tons Cumulative Comments E Cresson Clay Processing 5,173 40,389 S Cresson Clay Processing 0 201,199 Processing in area complete. Squaw Gulch Processing 0 35,816 Processing in area complete. Total 5,173 270,793 2) Low Volume Solution Collection Fill Material ( LVSCF) Processing of Low Volume Solution Collection Fill material continued at the Dump 4 LVSCF Process. A CAT D -10 dozer and a skid steer loader were used to process the material. Location Week Culm)lative Comments (tons) to Dump 4 LVSCF Processing 17,523 194,826 G) Miscellaneous No work was performed during the week. III) Underground Workings A) Drilling/Excavation Confirmatory drilling was performed for Underground Working #3012. A drill pattern was set out by an AMEC field representative. Twenty -five holes were drilled encountering ten voids. An approximate total of 1250 feet was drilled. An AMEC representative observed the confirmatory drilling constantly. B) Mine Shaft /Stope Remediation Grouting of miss (no void) holes was performed at Underground Workings #3012. Collapsing of the crown pillar at Underground Working #3012 was performed by blasting confirmatory drill holes (voids). Blasting was performed Wednesday (3/10/2010). The area was inspected by an AMEC representative and approximately 8 feet of elevation difference was noticed. A CAT 345 excavator was used to remove temporary fill material and native material from the working, discovering the limits of the working. Excavation of the working will continue next week. C) Lateral/Slot Remediation No work was performed during the week. IV) Storm Water Management Structures A) Control Structures No work was performed during the week. B) Best Management Practices Best Management Practices are being observed throughout the Phase 5 VLF Project. Storm water controls were maintained throughout the week. Precipitation was not substantial throughout the week. VLF Weekly Report WE 03.13.10.D.doc