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 LEVATIOf NORTH EAST ELEV. NORTH EAST ELEV.
5/15/99 P90A 38953.720 27261.420 6822.475 0.000 0.000 0.000
5!20!99 P90A 38953.645 27261.445 6822.480 -0.075 0.025 0.005 -0.075 0.025 0.005
5/21/99 P90A 38953.755 27261.42 6822.545 0.110 -0.025 0.065 0.035 0.000 0.070
5122!99 P90A 38953.735 27261.430 6822.495 -0.020 0.010 -0.050 0.015 0.010 0.020
5123/99 P90A 38953.670 27261.445 6822.525 -0.065 0.015 0.030 -0.050 0.025 0.050
5/24/99 P90A 38953.665 27261.440 6822.540 -0.005 -0.005 0.015 -0.055 0.020 0.065
5/25/99 P90A 38953.645 27261.455 6822.540 -0.020 0.015 0.000 -0.075 0.035 0.065
5/26/99 P90A 38953.680 27261.450 6822.555 0.035 -0.005 0.015 -0.040 0.030 0.080
5/27/99 P90A 38953.745 27261.430 6822.555 0.065 -0.020 0.000 0.025 0.010 0.080
5/28/99 P90A 38953.680 27261.450 6822.535 -0.065 0.020 -0.020 -0.040 0.030 0.060
5/29/99 P90A 38953.670 27261.455 6822.480 -0.010 0.005 -0.055 -0.050 0.035 0.005
5/30/99 P90A 38953.765 27261.445 6822.475 0.095 -0.010 -0.005 0.045 0.025 0.000
5131199 P90A 38953.840 27261.430 6822.465 0.075 -0.015 -0.010 0.120 0.010 -0.010
6/1199 P90A 38953.720 27261.460 6822.460 -0.120 0.030 -0.005 0.000 0.040 -0.015
6/2/99 P90A 38953.665 27261.475 6822.520 -0.055 0.015 0.060 -0.055 0.055 0.045
6/3/99 P90A 38953.610 27261.490 6822.520 -0.055 0.015 0.000 -0.110 0.070 0 045
6(4199 P90A 38953.775 27261.440 6822.520 0.165 -0.050 0.000 0.055 0.020 0.045
6/5199 P90A 38953.710 27261.480 6822.450 -0.065 0.040 -0.070 -0.010 0.060 -0.025
6/6/99 P90A 38953.845 27261.435 6822.500 0.135 -0.045 0.050 0.125 0.015 0.025
6/7/99 P90A 38953.685 27261.470 6822.525 -0.160 0.035 0.025 -0.035 0.050 0.050
6/8/99 P90A 38953.790 27261.455 6822.460 0.105 -0.015 -0.065 0.070 0.035 -0.015
6/9/99 P90A 38953.685 27261.475 6822.455 -0.105 0.020 -0.005 -0.035 0.055 -0.020
6/10/99 P90A 38953.700 27261.475 6822.505 0.015 0.000 0.050 -0.020 0.055 0.030
6/11/99 P90A 38953.600 27261.505 6822.435 -0.100 0.030 -0.070 -0.120 0.085 -0.040
6/12/99 P90A 38953.725 27261.485 6822.470 0.125 -0.020 0.035 0.005 0.065 -0.005
6/13/99 P90A 38953.735 27261.475 6822.425 0.010 -0.010 -0.045 0.015 0.055 -0.050
6/14/99 P90A 38953.645 27261.495 6822.490 -0.090 0.020 0.065 -0.075 0.075 0.015
6/16/99 P90A 38953.675 27261.475 6822.445 0.030 -0.020 -0.045 -0.045 0.055 -0.030
6/17/99 P90A 38953.700 27261.485 6822.490 0.025 0.010 0.045 -0.020 0.065 0.015
6!18!99 P90A 38953.655 27261.485 6822.520 -0.045 0.000 0.030 -0.065 0.065 0.045
6/19/99 P90A 38953.710 27261.465 6822.545 0.055 -0.020 0.025 -0.010 0.045 0.070
6/20/99 P90A 38953.810 27261.445 6822.445 0.100 -0.020 =0.100 0.090 0.025 -0.030
6/26/99 P90A 38953.825 27261.460 6822.450 0.015 0.015 0.005 0.105 0.040 -0.025
7/4/99 P90A 38953.845 27261.445 6822.455 0.020 -0.015 0.005 0.125 0.025 -0.020
7/10/99 P90A 38953.555 27261.525 6822.450 -0.290 0.080 -0.005 -0.165 0.105 -0.025
7118/99 P90A 38953.715 27261.490 6822.470 0.160 -0.035 0.020 -0.005 0.070 -0.005
7/25/99 P90A 38953.725 27261.480 6822.455 0.010 -0.010 -0.015 0.005 0.060 -0.020

SurveyDatal stHalf99.xls 2 2/1!00