2011-03-24_REPORT - C1981019 ‎(8)‎

• Permit No: C1981019
• IBM Index Class Name: Report
• Doc Date: 3/24/2011
• Doc Name: 2010 Annual Hydrology & Annual Reclamation Report
• From: Colowyo Coal Company
• To: DRMS
• Annual Report Year: 2010
• Permit Index Doc Type: Hydrology Report
• Email Name: JHB
• Media Type: D
• Archive: No

Colowyo Coal Company
2010 Annual Reclamation and Hydrology Report
• Figure 7-2 - West Pit Fill Survey Monument Report Continued
WEST PIT FILL - 7150 EAST MONUMENT
DATE ELEV. DeltaH NORTHING EASTING
7146.200 348360.950 1351437.760
03!15196 -0.43 0:08 0.082 -0.016
06/06/96 -0.45 0.15 0.153 0.010
08/13/96 -0.46` 0.15 0.152 -0.007
10/10/96 -0.40 014 0.142 -0.004
03111/97 -0.69 0.56 0.408 -0.385
06/14/97 -1.04 0.54 0.539 -0.036
07126/97 -1.08 0.58 0.577 0.012
10/20197 -120 0.53 0.525 -0.006
03/24198 -1.35 0.59 0.586 -0.073
06125/98 -1.52 0.66 0.655 -0.091
08Yd0198 -1.60 0.64 0.640 -0.070
10/08198 -1.62 0.64 0.640 -0.080
03/23/99 •1.74 074 0.727 -0.116
06/02/99 -1.78 0.66 0.640 -0.174
08127199 -1.73 0.67 0.651 -0.153
10/09/99 -1.86 0.66 0.635 -0.172
03128/00 -1.92 0.71 0.681 -0.195
06/07/00 -1.93 0.69 0.640 -0.250
09/08/00 -1.99 0.65 0.622 -0.189
10/16/00 -1.97 0.65 0.620 -0.207
03128/01 -2.01 0.72 0.657 -0.297
06/14/01 -2.05 0.71 0.652 -0.288
09110101 -204 0.73 0.668 -0.291
10/07101 -2.15 .73 0.673 -0.286
03/23/02 -2.09 0.75 0.684 -0.304
06/19/02 -2.13 0.75 0.688 -0.307
09105102 -2.09 0`.76 0.701 -0.290
10105/02 -2.13 0.78 0.687 -0.316
03128103. -2.14 0 78 0.710 -0.330
• 05/17103 -2.20 6.79 0.705 -0.358
08/27/03 -2.19 0.79 0.720 -0.320
10/21/03 -2.18 0.79 0.717 -0.326
03/19/04 -2.20 0.81 0.728 -0.353
06/08/04 -2.22 0.81 0.734 -0.353
09/03104 -2.26 0.81 0.731 -0.356
10108/04 -2.27 0.81 0.728 -0.344
03111/05 -2:25 0.84 0.748 -0.383
05128/05 -231 0:83 0.720 -0.420
09/06/05 -2.34 0.83 0.730 -0.390
10/22105 -2.30 0.84 0.730 -0.420
03107/06 -2.33 0.85 0.740 -0.420
06/06/06 -235 0.85 0.730 -0.440
09115/06 -2.37 0.85 0.720 -0.450
11102/06 -2.36 0;88 0.760 -0.450
03/17107 -2.37 0.91 0.780 -0.460
05/24/07 -2.39 0.89 0.760 -0.460
09/12107 -2.42 0.88 0.760 -0.450
10/16107 -244 0.91 0.780 -0.460
03/17/08 -2.47 0.92 0.780 -0.480
06/09108 -2.52 0:93 0.790 -0.500
08/20/08 -2.52 0.94 0.800 -0.500
10109/08 -2.49 0.93 0.790 -0.490
03/20/09 -2.54 0 97 0.800 -0.540
06118109 -2.57 0.98 0.820 -0.530
09/04/09 -2.58 0.96 0.800 -0.530
10/07/09 -2.56 0.96 0.800 -0.530
03/29/10 4:60 0.98 0.800 -0.570
06/04710 -2.66 0:99 0.810 -0.570
09/10/10 -2.66 0.97 0.790 -0.570
10/11/10 -2.64 0.98 0.790 -0.580

Page 7-10