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 2. FIRST HALF 1999 SUBSIDENCE REPORT SURVEY MONITORING DATA___ __
_ WOLCOTT TAP_-WOLCOTT (PSC) POWER LINE _ _ _ _ _
PANEL NO. 5
DELTA DELTA DELTA CUM. CUM. CUM.
DATE STATION NORTHIN FASTING LEVATIO NORTH EAST ELEV. NORTH EAST ELEV.

5115/99 P91 38351.580 27928.585 6869.180 0.000 0.000 0.000
5/20/99 P91 38351.625 27928.610 6869.180 0.045 0.025 0.000 0.045 0.025 0.000
5/21/99 P91 38351.61 27928.595 6869.255 -0.015 -0.015 0.075 0.030 0.010 0.075
5/22/99 P91 38351.660 27928.605 6869.225 0.050 0.010 -0.030 0.080 0.020 0.045
5!23/99 P91 38351.675 27928.615 6869.225 0.015 0.010 0.000 0.095 0.030 0.045
5/24/99 P91 38351.695 27928.605 6869.235 0.020 -0.010 0.010 0.115 0.020 0.055
5/25/99 P91 38351.530 27928.585 6869.245 -0.165 -0.020 0.010 -0.050 0.000 0.065
5/26/99 P91 38351.660 27928.600 6869.255 0.130 0.015 0.010 0.080 0.015 0.075
5/27/99 P91 38351.740 27928.615 6869.225 0.080 0.015 -0.030 0.160 0.030 0.045
5/28/99 P91 38351.595 27928.585 6869.265 -0.145 -0.030 0.040 0.015 0.000 0.085
5/29/99 P91 38351.775 27928.625 6869.235 0.180 0.040 -0.030 0.195 0.040 0.055
5!30199 P91 38351.775 27928.610 6869.150 0.000 -0.015 -0.085 0.195 0.025 -0.030
5/31/99 P91 38351.790 27928.620 6869.200 0.015 0.010 0.050 0.210 0.035 0.020
6/1/99 P91 38351.625 27928.595 6869.215 -0.165 -0.025 0.015 0.045 0.010 0.035
6/2!99 P91 38351.545 27928.575 6869.160 -0.080 -0.020 -0.055 -0.035 -0.010 -0.020
6/3/99 P91 38351.515 27928.560 6869.245 -0.030 -0.015 0.085 -0.065 -0.025 0.065
6/4/99 P91 38351.665 27928.575 6869.285 0.150 0.015 0.040 0.085 -0.010 0.105
6/5/99 P91 38351.745 27928.605 6869.175 0.080 0.030 -0.110 0.165 0.020 -0.005
6!6199 P91 38351.695 27928.590 6869.305 -0.050 -0.015 0.130 0.115 0.005 0.125
6!7/99 P91 38351.500 27928.565 6869.275 -0.195 -0.025 -0.030 -0.080 -0.020 0.095
6/8/99 P91 38351.695 27928.585 6869.155 0.195 0.020 -0.120 0.115 0.000 -0.025
6/9/99 P91 38351.645 27928.580 6869.210 -0.050 -0.005 0.055 0.065 -0.005 0.030
6/10/99 P91 38351.500 27928.570 6869.320 -0.145 -0.010 0.110 -0.080 -0.015 0.140
6/11/99 P91 38351.500 27928.570 6869.200 0.000 0.000 -0.120 -0.080 -0.015 0.020
6/12/99 P91 38351.645 27928.605 6869.195 0.145 0.035 -0.005 0.065 0.020 0.015
6113199 P91 38351.725 27928.605 6869.150 0.080 D.OOD -0.045 0.145 0.020 -0.030
6/14199 P91 38351.630 27928.590 6869.270 -0.095 -0.015 0.120 0.050 0.005 0.090
6/16/99 P91 38351.515 27928.580 6869.195 -0.115 -0.010 -0.075 -0.065 -0.005 0.015
6/17/99 P91 38351.530 27928.585 6869.245 0.015 0.005 0 050 -0.050 0.000 0.065
6/18/99 P91 38351.580 27928.575 6869.340 0.050 -0.010 0.095 0.000 -0.010 0.160
6/19/99 P91 38351.550 27928.570 6869.340 -0.030 -0.005 0.000 -0.030 -0.015 0.160
6/20/99 P91 38351.725 27928.595 6869.235 0.175 0.025 -0.105 0.145 0.010 0.055
6/26/99 P91 38351.710 27928.600 6869.215 -0.015 0.005 -0.020 0.130 0.015 0.035
7/4/99 P91 38351.760 27928.600 6869.245 0.050 0.000 0.030 0.180 0.015 0.065
7/10/99 P91 38351.515 27928.580 6869.265 -0.245 -0.020 0.020 -0.065 -0.005 0.085
7/18/99 P91 38351.595 27928.590 6869.225 0.080 0.010 -0.040 0.015 0.005 0.045
7/25/99 P91 38351.565 27928.585 6869.265 -0.030 -0.005 0.040 -0.015 0.000 0.085
SurveyDatal stHalf99. xls 4 2/1100