REP10071

• Permit No: C1982056
• IBM Index Class Name: Report
• Doc Date: 2/2/2000
• Doc Name: 2ND HALF 1999 SUBSIDENCE REPORT
• From: TWENTYMILE COAL CO
• To: DMG
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

TABLE 3. FIRST HALF 1999 SUBSIDENCE REPORT SURVEY MONITORING DATA _
WESTERN AREA POWER ADMINISTRATION POWER LINE
_ _ _ _ _
PANEL NO. 5 _ _ _ _
DELTA DELTA DELTA
CUM. CUM. CUM.
DATE STATION NORTHIN FASTING ELEVATION NORTH EAST _
ELEV. NORTH EAST ELEV.

SI15/99 W58 38421.465 28067.250 6867.790 0.000 0.000 0.000
5/20/99 W58 38421.530 28067.265 6867.855 0.065 0.015 0.065 0.065 0.015 0.065
5!21199 W58 38421.495 28067.260 6867.875 -0.035 -0.005 0.020 0.030 0.010 0.085
5/22/99 W58 38421.495 28067.260 6867.850 0.000 0.000 -0.025 0.030 0.010 0.060
5/23/99 W58 38421.635 28067.270 6867.865 0.140 0.010 0.015 0.170 0.020 0.075
5/24/99 W58 38421.565 28067.255 6867.845 -0.070 -0.015 -0.020 0.100 0.005 0.055
5/25/99 W58 38421.375 28067.250 6867.890 -0.190 -0.005 0.045 -0.090 0.000 0.100
5/26/99 W58 38421.535 28067.255 6867.920 0.160 0.005 0.030 0.070 0.005 0.130
5/27/99 W58 38421.465 28067.245 6867.920 -0.070 -0.010 0.000 0.000 -0.005 0.130
5/28199 W58 38421.375 28067.235 6867.830 -0.090 -0.010 -0.090 -0.090 -0.015 0.040
5/29/99 W58 38421.565 28067.255 6867.845 0.190 0.020 0.015 0.100 0.005 0.055
5/30/99 W58 38421.550 28067.255 6867.765 -0.015 0.000 -0.080 0.085 0.005 -0.025
5/31199 W58 38421.620 28067.260 6867.820 0.070 0.005 0.055 0.155 0.010 0.030
611/99 W58 38421.460 28067.260 6867.790 -0.160 0.000 -0.030 -0.005 0.010 0.000
6/2/99 W58 38421.395 28067.230 6867.920 -0.065 -0.030 0.130 -0.070 -0.020 0.130
6/3/99 W58 38421.235 28067.215 6867.895 -0.160 -0.015 -0.025 -0.230 -0.035 0.105
6/4/99 W58 38421.410 28067.225 6867.930 0.175 0.010 0.035 -0.055 -0.025 0.140
6/5/99 W58 38421.495 28067.260 6867.850 0.085 0.035 -0.080 0.030 0.010 0.060
616/99 W58 38421.535 28067.245 6867.885 0.040 -0.015 0.035 0.070 -0.005 0.095
6R/99 W58 38421.305 28067.230 6867.880 -0.230 -0.015 -0.005 -0.160 -0.020 0.090
6/8/99 W58 38421.410 28067.235 6887.835 0.105 0.005 -0.045 -0.055 -0.015 0.045
6/9/99 W58 38421465 28067.235 6867.835 0.055 0.000 0.000 0.000 -0.015 0.045
6!10/99 W58 38421.305 28067.230 6867.950 -0.160 -0.005 0.115 -0.160 -0.020 0.160
6/11/99 W58 38421.375 28067.220 6867.860 0.070 -0.010 -0.090 -0.090 -0.030 0.070
6/12/99 W58 38421.390 28067.255 6867.800 0.015 0.035 -0.060 -0.075 0.005 0.010
6/13199 W58 38421.670 28067.270 6867.805 0.280 0.015 0.005 0.205 0.020 0.015
6/14/99 W58 38421.500 28067.240 6867.890 -0.170 -0.030 0.085 0.035 -0.010 0.100
6/16/99 W58 38421.445 28067.240 6867.825 -0.055 0.000 -0.065 -0.020 -0.010 0.035
6/17199 W58 38421.410 28067.240 6867.855 -0.035 0.000 0.030 -0.055 -0.010 0.065
6/18/99 W58 38421.325 28067.230 6867.945 -0.085 -0.010 0.090 -0.140 -0.020 0.155
6119/99 W58 38421.360 28067.220 6867.995 0.035 -0.010 0.050 -0.105 -0.030 0.205
6/20/99 W58 38421.535 28067.245 6867.845 0.175 0.025 -0.150 0.070 -0.005 0.055
6/26/99 W58 38421.550 28067.245 6867.790 0.015 0.000 -0.055 0.085 -0.005 0.000
7/4/99 W58 38421.550 28067.250 6867.840 0.000 0.005 0.050 0.085 0.000 0.050
7/10/99 W58 38421.375 28067.245 6867.805 -0.175 -0.005 -0.035 -0.090 -0.005 0.015
7/18/99 W58 38421.515 28067.250 6867.835 0.140 0.005 0.030 0.050 0.000 0.045
7/25/99 W58 38421.305 28067.230 6867.805 -0.210 -0.020 -0.030 -0.160 -0.020 0.015
SurveyDatai stHalf99.xls 10 2/1/00