2009-07-15_REVISION - M1980244 (28)

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ameO LOB Mine Workings Summary FIGURE 2 3/28/2009 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 10189165 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' elv. Working is in cut. no remediation. 2006 54066.629 3815184 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 54004148 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 bein performed in area 2014 53974 82 38089 862 10133 673 Shaft in cut No rernediation Cut being erformed in area 2015 53978.476 37990.783 10100.628 Tornado Shaft at road elevation. Dee workings down to 9,000 ft elev. 2016 53897.186 37972.07 10079.118 Sto d at surface connected to Tornado Shaft. Could reach 9,000 ft elev. 2017 2018 54129 748 54573.755 37916 308 37562.074 10106 209 10071.456 In cut Likely no remediation required 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 running east, will backfill. 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 378838 10081.745 Not in LOB haul road footprint 2024 55065.199 38271248 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 10068116 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 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 Pending comment from John Lupo 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 backfill, Per Remediation Plan, 3/20/09 2039 52921 48 38797 40 9790 24 Mine Shaft' Backfill and geogrid cap, Per Remediation Plan, 3/20/09 WORK IN PROGRESS this past week FYI to Ames 53698 38233 Upper Raven Tunnel at 10,100 ft elev Tunnel portal will be intercepted as art 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 Shcet 8 of I I 1,013 Weekly Report "T'04.04.09.1)