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 MONITORIN_G_D_ATA _ __
WESTERN AREA POWER ADMINISTRATION POWER LINE ~ J
PANEL NO. 5 _ _ _ _
_ DELTA_ DELTA _pELTA _ CUM. CUM. _ __CUM.
DATE STATION NORTHIN FASTING ELEVATION NORTH EAST ELEV. NORTH EAST ELEV.
5/15/99 W59 38866.660 27554.475 6825.820 0.000 0.000 0.000
5/20/99 W59 38866.595 27554.500 6825.845 -0.065 0.025 0.025 -0.065 0.025 0.025
5121199 W59 38866.690 27554.490 6825.895 0.095 -0.010 0.050 0.030 0.015 0.075
5/22/99 W59 38866.650 27554.505 6825.860 -0.040 0.015 -0.035 -0.010 0.030 0.040
5/23/99 W59 38866.715 27554.490 6825.905 0.065 -0.015 0.045 0.055 0.015 0.085
5124/99 W59 38866.720 27554.800 6825.910 0.005 0.010 0.005 0.060 0.025 0.090
5/25199 W59 38866.560 27554.535 6825.905 -0.160 0.035 -0.005 -0.100 0.060 0.085
5/26/99 W59 38866.535 27554.545 6825.890 -0.025 0.010 -0.015 -0.125 0.070 0.070
5127199 W59 38866,440 27554.550 6825.880 -0.095 0.005 -0.010 -0.220 0.075 0.060
5/28/99 W59 38866.385 27554.570 6825.870 -0.055 0.020 -0.010 -0.275 0.095 0.050
5/29/99 W59 36866.560 27554.555 6825.830 0.175 -0.015 -0.040 -0.100 0.080 0.010
5/30/99 W59 38866.525 27554.575 6825.780 -0.035 0.020 -0.050 -0.135 0.100 -0.040
5/31/99 W59 38866.755 27554.550 6825.775 0.230 -0.025 -0.005 0.095 0.075 -0.045
611/99 W59 38866.595 27554.590 6825.745 -0.160 0.040 -0.030 -0.065 0.115 -0.075
6/2/99 W59 38866.430 27554.600 6825.815 -0.165 0.010 0.070 -0.230 0.125 -0.005
6/3/99 W59 38866.460 27554.610 6825.780 0.030 0.010 -0.035 -0.200 0.135 -0.040
6/4/99 W59 38866.525 27554.590 6825.805 0.065 -0.020 0.025 -0.135 0.115 -0.015
6/5/99 W59 38866.555 27554.595 6825.745 0.030 0.005 -0.060 -0.105 0.120 -0.075
6/6/99 W59 38866.770 27554.565 6825.810 0.215 -0.030 0.065 0.110 0.090 -0.010
6!7199 W59 38866.555 27554.595 6825.835 -0.215 0.030 0.025 -0.105 0.120 0.015
6/8/99 W59 38866.665 27554.585 6825.745 0.110 -0.010 -0.090 0.005 0.110 -0.075
6/9/99 W59 38866.505 27554.615 6825.755 -0.160 0.030 0.010 -0.155 0.140 -0.065
6/10/99 W59 38866.530 27554.615 6825.785 0.025 0.000 0.030 -0.130 0.140 -0.035
6/11/99 W59 38866.635 27554.590 6825.715 0.105 -0.025 -0.070 -0.025 0.115 -0.105
6/12/99 W59 38866.630 27554.620 6825.725 -0.005 0.030 0.010 -0.030 0.145 -0.095
6!13199 W59 38866.760 27554.590 6825.685 0.136 -0.030 -0.040 0.100 0.115 -0.135
6/14/99 W59 38866.665 27554.600 6825.750 -0.095 0.010 0.065 0.005 0.125 -0.070
6/16/99 W59 38866.610 27554.590 6825.730 -0.055 -0.010 -0.020 -0.050 0.115 -0.090
6!17!99 W59 38866.680 27554.595 6825.780 0.070 0.005 0.050 0.020 0.120 -0.040
6/18/99 W59 38866.570 27554.600 6825.810 -0.110 0.005 0.030 -0.090 0.125 -0.010
6/19/99 W59 38866.680 27554.590 6825.810 0.110 -0.010 0.000 0.020 0.115 -0.010
6/20199 W59 38866.760 27554.575 6825.730 0.080 -0.015 -0.080 0.100 0.100 -0.090
6/26/99 W59 38866.825 27554.570 6825.700 0.065 -0.005 -0.030 0.165 0.095 -0.120
7/4/99 W59 38866.880 27554.565 6825.715 0.055 -0.005 0.015 0.220 0.090 -0.105
7!10199 W59 38866.480 27554.630 6825.765 -0.400 0.065 0.050 -0.180 0.155 -0.055
7116/99 W59 38866.720 27554.600 6825.705 0.240 -0.030 -0.060 0.060 0.125 -0.115
7/25/99 W59 38866.560 27554.620 6825.720 -0.160 0.020 0.015 -0.100 0.145 -0.100

SurveyData 1 stHalf99. xls 9 2/1 /00