2010-03-12_REPORT - C1981019 (7)

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Colowyo Coal Company 2009 Annual Reclamation and Hydrology Report 0 Figure 7-2 - West Pit Fill Survey Monument Report L WEST PIT FILL - 7250 EAST MONUMENT DATE ELEV. DeltaH NORTHING EASTING 7258.920 347946.395 1351356.195 8/30/98 -6.06 0.03 0.015 0.025 10/8/98 -0.08 0.04 0.035 0.005 3123/99 -0.22 0.04 0.034 0.019 6099 -0.38 0.22 0.209 -0.070 8/27199 -0.43 0.27 0.225 -0.153 10/9/99 -0.44 - 0.29 0.241 -0.154 3128/00 -0.54 0.37 0.372 -0.022 6/7/00 -0:57 0.32 0.305 -0.085 9/8/00 - -0'67 0.24 0.242 0.001 10/16/00 -0.70 0.23 0.230 -0.028 3/28/01 -0,74 0.37 0.368 -0.031 6/14/01 ' -0.84 0.32 0.312 -0.054 9/10/01 ; -0.81 0.35 0.348 -0.029 10/7/01 -085 0.33 0.331 -0.045 3/23/02 ' -0.92 0.36 0.358 -0.044 6/19/02 -0.93 0.38 0.381 -0.014 9/5/02 -0:88 0,42 0.415 0.034 10/5/02 -0'94 0.39 0.392 0.015 3/28/03 -0:98 0.41 0.405 -0.055 5/17/03:` -1.04 0.42 0.415 -0.077 8/27/03 -1.04' 0.42 0.415 -0.015 10/21/03' -1:06 0.42 0.418 -0.001 3/19/04 -1,07 0.46 0.463 -0.023 612/04 -1.10 0,51 0.505 0.016 9/3/04 ` -1.10 0.49 0.485 -0.021 10/8/04 -1.05 0.47 0.465 -0.002 3/11/05 -1:12 0.53 0.529 -0.060 5/28/05 -1.18 0.56 0.545 -0.115 9/6/05 - -1.23 0.53 0.525 -0.055 10/22/05 -1;21 0154 0.535 -0.065 317106 -1:27 0,55 0.545 -0.055 616106 -1.25 0.56 ` 0.545 -0.115 9/15/06 ; -1';34 0.55 0.545 -0.045 1112/06 -1.31 0.60 0.595 -0.045 3/17/07 < -1.22 0.68 0.675 -0.085 5/24/07 -1.28 0.67 0.665 -0.085 9112/07 ' -1.34 0.60 0.595 -0.045 10116/07 -1.37 0.64 0.635 -0.025 3/17/08 -1.41 0.67 0.665 -0.045 6/9/08 > -152 - 0,71 0.705 -0:055 8/20/08 -1.55 0.65 0.645 -0.055 10/9108 -1:54. 0.66 0.655 -0.045 3120/09 -1.61 0.70 0.695 -0.095 06118109 -1.60 0,70 0.695 -0.095 09104/09 -1.62 0.62 0.615 -0.075 10/07/09 -1`.66 0.60 0.595 -0.075 Page 7-7