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. 6
DELTA DELTA DELTA CUM. CUM. CUM.
DATE STATION NORTHING FASTING ELEVATION NORTH EAST ELEV. NORTH EAST ELEV.
5115/99 W61 39782.880 26536.670 6819.225 0.000 0.000 0.000
5120/99 W61 39782.865 26536.700 6819.275 -0.015 0.030 0.050 -0.015 0.030 0.050
5121/99 W61 39782.885 26536.660 6819.245 0.020 -0.040 -0.030 0.005 -0.010 0.020
5/22/99 W61 39782.875 26536.695 6819.240 -0.010 0.035 -0.005 -0.005 0.025 0.015
5/23199 W61 39782.865 26536.710 6819.260 -0.010 0.015 0.020 -0.015 0.040 0.035
5/24/99 W61 39782.845 26536.735 6819.250 -0.020 0.025 -0.010 -0.035 0.065 0.025
5/25/99 W61 39782.815 26536.770 6819.260 -0.030 0.035 0.010 -0.065 0.100 0.035
5/26/99 W61 39782.875 26536.675 6819.260 0.060 -0.095 0.000 -0.005 0.005 0.035
5/27(99 W61 39782.890 26536.635 6819.240 0.015 -0.040 -0.020 0.010 -0.035 0.015
8128/99 W61 39782.910 26536.610 6819.260 0.020 -0.025 0.020 0.030 -0.060 0.035
5129/99 W61 39782.890 26536.650 6819.220 -0.020 0.040 -0.040 0.010 -0.020 -0.005
5/30199 W61 39782.915 26536.600 6819.265 0.025 -0.050 0.045 0.035 -0.070 0.040
5/31/99 W61 39782.895 26536.625 6819.225 -0.020 0.025 -0.040 0.015 -0.045 0.000
6/1/99 W61 39782.820 26536.750 6819.245 -0.075 0.125 0.020 -0.060 0.080 0.020
612199 W61 39782.870 26536.640 6819.270 0.050 -0.110 0.025 -0.010 -0.030 0.045
6/3/99 W61 39782.800 26536.760 6819.235 -0.070 0.120 -0.035 -0.080 0.090 0.010
6/4/99 W61 39782.870 26536.635 6819.230 0.070 -0.125 -0.005 -0.010 -0.035 0.005
6/5/99 W61 39782.865 26536.660 6819.265 -0.005 0.025 0.035 -0.015 -0.010 0.040
6/6/99 W61 39782.905 26536.595 6819.285 0.040 -0.065 0.020 0.025 -0.075 0.060
6/7/99 W61 39782.810 26536.740 6819.270 -0.095 0.145 -0.015 -0.070 0.070 0.045
6/8/99 W61 39782.900 26536.580 6819.190 0.090 -0.160 -0.080 0.020 -0.090 -0.035
6/9/99 W61 39782.870 26536.650 6819.255 -0.030 0.070 0.065 -0.010 -0.020 0.030
6/10/99 W61 39782.810 26536.740 6819.240 -0.060 0.090 -0.015 -0.070 0.070 0.015
6/11/99 W61 39782.805 26536.740 6819.225 -0.005 0.000 -0.015 -0.075 0.070 0.000
6112199 W61 39782.865 26536.670 6819.275 0.060 -0.070 0.050 -0.015 0.000 0.050
6/13/99 W61 39782.825 26536.725 6819.250 -0.040 0.055 -0.025 -0.055 0.055 0.025
6!14199 W61 39782.835 26536.695 6819.270 0.010 -0.030 0.020 -0.045 0.025 0.045
6/16199 W61 39782.815 26536.720 6819.250 -0.020 0.025 -0.020 -0.065 0.050 0.025
6/17/99 W61 39782.830 26536.690 6819.265 0.015 -0.030 0.015 -0.050 0.020 0.040
6/18/99 W61 39782.780 26536.775 6819.250 -0.050 0.085 -0.015 -0.100 0.105 0.025
6/19199 W61 39782.845 26536.660 6819.270 0.065 -0.115 0.020 -0.035 -0.010 0.045
6120/99 W61 39782.890 26536.590 6819.245 0.045 -0.070 -0.025 0.010 -0.080 0.020
6/26/99 W61 39782.875 26536.615 6819.250 -0.015 0.025 0.005 -0.005 -0.055 0.025
7/4199 W61 39782.900 26536.570 6819.260 0.025 -0.045 0.010 0.020 -0.100 0.035
7/10/99 W61 39782.835 26536.705 6819.260 -0.065 0.135 0.000 -0.045 0.035 0.035
7/18/99 W61 39782.830 26536.690 6819.280 -0.005 -0.015 0.020 -0.050 0.020 0.055
7/25/99 W61 39782.825 26536.675 6819.195 -0.005 -0.015 -0.085 -0.055 0.005 -0.030
SurveyData 1 stHalf99.xls 11 211 /00