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CRIPPLE CREEK & VICTOR GOLD MINING Co. <br />ANGLOGOLD ASHANTI (COLORADO) amec <br />SQUAW GULCH (VLF) WEEKLY REPORT foster <br />wheeler <br />UG #6472 - Excavated working - timbers, rail tracks, and two adits encountered 10' to 12' from <br />surface. Backfilled and prepared for drill access. Further remediation required. <br />UG #6537 - Excavated to approximately 18'- no bottom. Prepared for drill access. Confirmatory <br />drilling: 17 borings; -850 LF using Sandvik 700 tracked drill rig. Further remediation required. <br />UG #6538 - Excavated to approximately 13' - rock shaft to narrow for bucket. Evidence of shaft <br />(timbers). Backfilled for safety and drill access. Conformation drilling: 34 borings; 1,700 LF using <br />Sandvik 700 and Sandvik 800 tracked drill rigs. Further remediation required. <br />UG #6539 - Excavated to 10'- no bottom. Open shaft - timbered. Backfilled with approximately <br />180 yards of coarse shaft backfill. Prepared for drill access. Confirmation drilling: 27 borings; <br />1,350 LF using Sandvik 800 tracked drill rig. Further remediation required. <br />UG #6540 - Excavated to competent rock (-18'). Backfilled and compacted. Remediated. <br />UG #6542 - Prepared for drill access. Confirmatory drilling: 23 borings; 970LF using Sandvik 700 <br />and Sandvik 800 tracked drill rigs. Further remediation required. <br />UG #6546 - Concrete plug poured (11 yards); placed Cemented Rock Fill (55 yards). <br />Remediated. <br />UG #6547 - Concrete plug poured (6 yards); placed Cemented Rock Fill (27 yards). Remediated. <br />UG #6548 - Concrete plug poured (7 yards); placed Cemented Rock Fill 43 yards). Remediated. <br />UG #6556 - Placed Cemented Rock Fill (41 yards). Remediated. <br />UG #6590 - Placed Cemented Rock Fill (41 yards). Remediated. <br />UG #6593 - Placed Cemented Rock Fill (57 yards). Remediated. <br />UG #6594 - Placed Cemented Rock Fill (63 yards). Remediated. <br />UG #6614 - Placed Cemented Rock Fill (51 yards). Remediated. <br />UG #6617 - Provided construction access; placed -175 cubic yards of backfill in lower shaft. <br />Further remediation required. <br />UG #6618 - Excavated to competent rock (approximately 8'). Backfilled and compacted. <br />Remediated. <br />UG #6639 - The working is being remediated in two halves. The second half remains to be <br />completed. Completed the installation of the second and third layers of geogrid on the first half of <br />the working. Placed and compacted the second and third layers of Select Structural Fill material <br />on the first half of the working. Further remediation required. <br />UG #6660 - Placed Cemented Rock Fill (40 yards). Remediated <br />UG #6672 - Excavated to competent rock ( -20'). Backfilled and compacted. Remediated. <br />UG #6673 - Began excavation - timbers and rail track encountered. Three drifts discovered. <br />Further remediation required. <br />