2009-07-15_REVISION - M1980244 (28)

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ameO LOB Underground Workings Summary FIGURE 2 4/11//2009 ID# Northin Eastin Elevation Comments 2001 50199.458 40213 67 10174.951 On edge of VLF footprint Shallow shaft. Backfill with structural fill. 2002 49681 855 39111.85 10222.514 Shallow shaft. Backfill with structural fill. 2003 54670 511 37987 468 10189.265 Not in LOB haul road footprint 2004 54317 717 37821 732 10112.226 In cut. No remediation needed. 2005 54228.037 38046.401 10174.113 Shaft or collapse into Raven Tunnel @ 10,100' elevation Working is in cut, no remediation. 2006 54066.629 38153.84 10175 45 Not in LOB haul road footprint 2007 54048.3 38214.844 10190.934 Not in LOB haul road footprint 2008 54036.13 38197.064 10188.578 Not in LOB haul road footprint 2009 53994.91 38183.725 10168.716 Not in LOB haul road footprint 2010 53982 346 38121.653 10148.466 Shaft in cut. No remediation. Cut being performed in area 2011 53982 138 38121.823 10148.473 Shaft in cut. No remediation. Cut being performed in area 2012 54004 148 38113.49 10151.034 Shaft in cut. No remediation. Cut being performed in area 2013 54000 689 38085 834 10140.068 Shaft in cut. No remediation Cut being performed in area 2014 53974 82 38089 862 10133.673 Shaft in cut No remediation. Cut being performed in area 2015 53978.476 37990.783 10100.528 Tornado Shaft at road elevation. Dee workings down to 9,000 ft elev. 2016 53897.185 37972.07 10079.118 Stoped at surface connected to Tornado Shaft. Could reach 9,000 ft elev. 2017 54129 748 37916 308 10106.209 In cut. Like/ no remediation required 2018 54573 755 37562.074 10071.456 Shallow shaft in cut. Backfill shaft with structural fill Removed during cut of LOB Pad 2019 54641.412 37585.877 10065.009 Shallow shaft in cut. Backfill shaft with structural fill. Horiz. Drift, removed„ backfilled 2020 54652.14 37500.975 10037.916 Shallow shaft in fill Backfill shaft with structural fill. Backfilled, drilled, nothing found 2021 54749.88 37727.329 10090.254 Haulage tunnel in cut No remediation Removed during cut 2022 54866.79 37768.44 10081 047 Shallow shaft in cut. Backfill shaft with structural fill. Backfilled 2023 55130 037 37883.8 10081 745 Not in LOB haul road footprint 2024 55065 199 38273.248 10255 281 Not in LOB haul road footprint 2025 55147 916 38335.892 10257 719 Not in LOB haul road footprint 2026 55132.735 38272.95 10249.238 Not in LOB haul road footprint 2027 55164.21 37686.05 0 Haulage tunnel in fill. No remediation Fill laced Completed 2028 54615.713 37641.886 10068 216 Pending comment from John Lupo Removed during cut of LOB Pad 2029 53959 714 38101.139 10124.015 Pending comment from John Lupo 2030 53693 594 38234.679 10071.748 Pending comment from John Lupo . Backfilled for safety, in LOB Road cut."` 2031 53780.553 37961.822 10049.108 Pending comment from John Lupo 2032 53704 086 37961731 10031 741 Pending comment from John Lupo 2033 53426.918 37966.416 9952.933 Pending comment from John Lupo 2034 53393.731 38048.556 9952.576 Pending comment from John Lupo 2035 53445.518 38116.952 9981.517 Pending comment from John Lupo 2036 53511.741 37946.571 9976.853 Exposed, Backfilled for safety, Conveyor Transfer station 5 located in ad cut 2037 53262.75 38599.62 9974 29 Pending comment from John Lupo 2038 53155 24 37951.52 9854.09 Walter Shaft Backfill the shaft with random backfll Per Remediation Plan, 3/20/09 2039 52921 48 38797.40 9790,24 Mine Shaft: Backfill and geogrid cap, Per Remed ation Plan, 3/20/09 WORK IN PROGRESS this past week FYI to Ames 53698 38233 Upper Raven Tunnel at 10,100 M elev Tunnel portal w li be intercepted as part of the road cut " 54447 37794 Raven Tunnel at 10,100 ft parallels the road to 54273, 37991 Road elevation is below tunnel but contractor should be made aware of this working Sheet 8 of 12 LOB Weekly Report WF 04.11.091)