REP22944

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 4/15/2003
• Doc Name: 2nd Half 2002 Subsidence Report
• From: Twentymile Coal Company
• To: DMG
• Permit Index Doc Type: Subsidence Report
• Media Type: D
• Archive: No

TABLE 1: SECOND HALF 2002 SUBSWENCE REPORT SURVEY MONRORING DATA
UNN)N PACIFIC RAILROAD
PANEL N0.1/

DATE
PT. ID.
NORTH DELTA
EAST ELEV. NORTH
DELTA EAST
DELTA ELEV.
CUM. NORTH
CUM. EAST CUM. ELEV.
(~ ~ CUM. ELEV.
(IN ~

70/14/2002 M434 50203.786 32709.282 8702.031 0.000 0.000 0.000
10/15/2002 M434 50203.750 32709.280 8702.115 -0.036 -0.022 0.084 -0.038 -0.022 0.084 1.008
10/18/2002 M434 50203.720 32709.190 8702.218 -0.030 -0.070 0.103 -0.068 -0.092 0.767 2.246
10/22/2002 M439 50203.825 92709.118 8702.241 0.105 -0.074 0.023 0.039 -0.788 0.210 2.520
70/23/2002 M434 50203.838 32709.200 8702.278 0.073 0.064 0.035 0.052 -0.082 0.245 2.940
10/24/2002 M434 50203.850 32708.191 8702.282 0.012 -0.009 0.008 0.084 -0.097 0.251 3.012
10/252002 M434 50203.829 32709.714 8702.310 -0.021 -0.047 0.028 0.043 -0.136 0.279 3.348
10262002 M434 50203.834 32708.180 8702.243 0.005 0.036 -0.087 0.048 -0.102 0.272 2.504
10/272002 M434 50203.804 32709.225 8702.255 -0.030 0.045 0.012 0.018 -0.057 0.224 2.888
10/282002 M434 50203.831 32709.208 8702.273 0.027 0.021 -0.042 0.045 -0.038 0.182 2.181
10292002 M434 50203.752 32709.218 8702.288 -0.079 -0.030 0.053 -0.034 -0.088 0.235 2.820
70/30/2002 M434 50203.730 32709.729 fi702.248 -0.022 -0.087 -0.018 -0.058 -0.753 0.217 2.806
10/372002 M434 50203.787 32709.789 8702.210 0.037 0.060 -0.038 -0.079 -0.093 0.178 2.148
11W7102 M430 50203.763 32709.147 8702.289 -0.004 -0.048 0.079 -0.023 -0.111 0.258 3.098
1122002 M434 50203.775 32709.178 8702.226 0.072 0.037 -0.081 -0.077 -0.101 0.197 2.384
17/4/2002 M434 50203.981 32)08.888 8707.881 0.186 -0.292 -0.587 0.775 -0.390 -0.370 ~4.M0
11/5/2002 M434 50203.787 92709.213 8702.288 -0.200 0.357 0.807 -0.025 -0.038 0.237 2.844
11/8/2002 M434 50203.783 32709.323 8702.431 0.022 0.080 0.788 -0.003 0.047 0.403 4.83fi
11/7/2002 M434 50203.701 32709.747 8702.420 -0.082 -0.178 -0.014 -0.085 -0.735 0.389 4.668
11/82002 M434 50203.765 32709.199 8702.419 0.084 0.052 -0.001 -0021 -0.083 0.388 /.855
11/102002 M434 50203.838 32709.220 8702.437 0.073 0.020 0.018 0.052 -0.082 O.d06 1.868
11/112002 M434 50203.843 32709.217 8702.511 0.005 -0.002 0.074 0.057 -0.065 0.480 5.755
11/12/2002 M434 50203.953 32)08.904 8702.487 0.110 -0.274 -0.024 0.787 -0.338 0.458 5.472
17/132002 M434 50203.822 32709.227 8702.497 -0.731 0.281 0.010 0.038 -0.055 0.488 5.593
11/142002 M434 50203.892 32709.056 8702.431 0.070 -0.170 -0.088 0.108 -0.226 0.400 4.805
17/782002 M434 50203.872 32708.314 8702.515 -0.080 0.258 0.083 0.028 0.032 0.484 5.806
11/77/2002 M434 50203.867 32709.334 8702.467 0.074 0.020 -0.048 0.701 0.052 0.436 5.235
77/18/2002 M434 50203.792 32709.288 8702.570 -0.094 -0.085 0.702 0.008 -0.013 0.539 8.480
11/192002 M434 50203.800 92709.238 8702.509 0.008 -0.031 -0.087 0.014 -0.066 0.478 5.733
11202002 M434 50203.811 32708.178 8702.498 0.011 -0.060 -0.011 0.025 -0.104 0.467 5.800
11212002 M434 50203.625 32709.253 8702.523 0.015 0.075 0.028 0.039 -0.029 0.492 5.909
17222002 M434 50203.838 32709.275 8702.513 0.013 0.022 -0.010 0.052 -0.007 O.d82 5.784
11232002 M434 50203.827 32709.252 8702.483 -0.011 -0.022 -0.030 0.047 -0.030 0.452 5.626
11242002 M434 50203.756 32708.237 8702.585 -0.077 -0.021 0.102 -0.030 -0.057 0.554 8.848
11/252002 M434 50203.858 32709.293 8702.576 0.102 0.062 -0.009 0.072 0.011 0.545 8.594
77/28/2002 M434 50203.789 32708.275 8702.479 -0.068 -0.078 -0.096 0.003 -0.087 0.418 5.373
1127/2002 M434 50203.775 32709.140 8702.523 -0.015 -0.075 0.044 -0.077 -0.742 0.492 5.904
12/3/2002 M434 50203.845 32709.189 8702.581 0.070 0.049 0.038 0.059 -0.093 0.530 8.358
1 7/1 7 20 0 2 M434 50203.893 32709.107 8702.781 -0.752 -0.082 -0.600 -0.093 -0.175 0.130 7.560
7/15/2003 M434 50203.810 32708.999 8702.087 -0.083 -0.108 -0.074 -0.778 -0.283 0.058 0.872

SurveyDala2ndHaIP20O2 10 4/14/2003