REP48857

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 10/16/2003
• Doc Name: 1st Half 2003 Subsidence Report
• From: Twentymile Coal Company
• To: DMG
• Permit Index Doc Type: Subsidence Report
• Media Type: D
• Archive: No

TABLE 1: FIRST HALF 2003 SUBSIDENCE REPORT SURVEY MONITORING DATA
UNION PACIFIC RAILROAD
PANEL NO. 14

DELTA DELTA DELTA CUM. CUM. CUM. CUM.
DATE PT. ID. NORTH EAST ELEV. NORTH EAST ELEV. NORTH EAST ELEV. (Ft.) ELEV. (In.)

10/14/2002 M433 50300.663 32736.878 6702.104 0.000 0.000 0.000
12/3!2002 M433 50300.657 32737.094 6702.617 0.013 0.081 0.044 -0.006 0216 0.513 6.16
12/11/2002 M433 50300.591 32736.906 6702.235 -0.066 -0.188 -0.382 -0.072 0.028 0.131 1.57

10/22/2002 R434 50192.121 32645.524 6697.229 0.000 0.000 0.000
12/3/2002 R434 50192.041 32645.552 6697.205 -0.114 0.120 0.048 -0.080 0.028 -0.024 -0.28
12/11/2002 R434 50192.072 32645.624 6697.080 0.031 0.072 -0.125 -0.049 0.100 -0.149 -1.79
1/15/2003 R434 50192.021 32645.608 ~ 6696.686 -0.051 -0.016 -0.394 -0.100 0.084 -0.543 -6.52

10/14/2002 M434 50203.786 32709.282 6702.031 0.000 0.000 0.000
12/3/2002 M434 50203.845 32709.189 6702.561 0.070 0.049 0.038 0.059 -0.093 0.530 6.36
12/11/2002 M434 50203.693 32709.107 6702.161 -0.152 -0.082 -0.400 -0.093 -0.175 0.130 1.56
1/15/2003 M434 50203.610 32708.999 6702.087 -0.083 -0.108 -0.074 -0.176 -0.283 0.056 0.67

10/22/2002 R435 50094.891 32616.701 6698.390 0.000 0.000 0.000
12/3/2002 R435 50094.769 32616.723 6698.338 -0.044 0.112 0.042 -0.122 0.022 -0.052 -0.63
12/11/2002 R435 50095.143 32616.202 6698.160 0.374 -0.521 -0.178 0.252 -0.499 -0.230 -2.76
1/15/2003 R435 50094.900 32616.576 6697.777 -0.243 0.374 -0.383 0.009 -0.125 -0.613 -7.36

10/14/2002 M435 50107.671 32677.162 6698.568 0.000 0.000 0.000
12/3/2002 M435 50107.617 32677.226 6698.951 -0.206 0.248 -0.019 -0.054 0.064 0.383 4.60
12/11/2002 M435 50107.625 32677.038 6698.643 0.008 -0.188 -0.308 -0.046 -0.124 0.075 0.90

10/22/2002 R436 49995.152 32592.836 6699.769 0.000 0.000 0.000
12/3/2002 R436 49995.019 32592.798 6699.632 -0.015 0.039 0.080 -0.133 -0.038 -0.137 -1.64
12/11/2002 R436 49995.404 32592.407 6699.440 0.385 -0.391 -0.192 0.252 -0.429 -0.329 -3.95
1/15/2003 R436- 49994.895 32592.737 6699.026 -0.509 0.330 -0.414 -0257 -0.099 -0.743 -8.92

10/14/2002 M436 50007.236 32651.303 6702.501 0.000 0.000 0.000
12/3/2002 M436 50007.209 32651.319 6702.936 -0.015 0.010 0.034 -0.027 0.016 0.435 5.22
12/11/2002 M436 50007.086 32651.273 6702.592 -0.123 -0.046 -0.344 -0.150 -0.030 0.091 1.09

SurveyDatal stHaIf2003.x1s 2 10/13/2003