1989-07-27_REPORT - C1981033

• Permit No: C1981033
• IBM Index Class Name: Report
• Doc Date: 7/27/1989
• Doc Name: MULTI-SEAM SUBSIDENCE STUDY
• From: GEOWEST COLORADO SPRINGS, INC
• Annual Report Year: 1989
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

__AR COAL COMPANY - SUBSIDENCE MONITORING SYSTEM DATABASE
COORDINATES: INCREMENTAL CHANGES: CUMULATIVE CHANGES:
---------------------------
DATE STATION NORTHING EASTING ELEVATION NORTH EAST ELEV. NORTH EAST ELEV.
-----------------------------------------------------------------------------------------------------------
IEFF.OF VARIATION:
Aug-85 U5 399019.26 1442446.64 7795.45 0.00 0.00 0.00 0.00 0.00 0.00
Jul-86 U5 399018.62 1442446.76 7794.72 -0.64 0.12 -0.73 -0.64 0.12 -0.73
Nov-86 U5 399018.64 1442446.66 7794.77 0.02 -0.10 0.05 -0.62 0.02 -0.68
Jul-87 U5 399018.71 1442446.67 7794.73 0.07 0.01 -0.04 -0.55 0.03 -0.72
Oct-87 US 399018.67 1442446.T7 7794.66 -0.04 0.10 -0.07 -0.59 0.13 -0.79
Jun-88 U5 399018.78 1442446.99 7794.74 0.11 0.22 0.08 -0.48 0.35 -0.71
Nov-88 U5 399018.78 1442447.02 7794.59 0.00 0.03 -0.15 -0.48 0.38 -0.86
MEAN:
)EFF.OF VARIATION:
Aug-85 U9 401046.18 1442611.96 7327.46 0.00 0.00 0.00 0.00 0.00 0.00
Jul-86 U9 401045.62 1442612.17 7326.62 -0.56 0.21 -0.84 -0.56 0.21 -0.84
Nov-86 U9 401045.61 1442612.05 7326.76 -0.01 -0.12 0.14 -0.57 0.09 -0.70
Jul-87 U9 401045.70 1442612.05 7326.64 0.D9 0.00 -0.12 -0.48 0.09 -0.82
Oct-87 U9 401045.66 1442612.09 7326.63 -0.D4 0.04 -0.01 -0.52 0.13 -0.83
Jun-88 U9 401045.73 1442612.24 7326.66 0.07 0.15 0.03 -0.45 0.28 -0.80
NOV-88 U9 401D45.78 1442612.25 7326.53 0.D5 0.01 -0.13 -0.40 0.29 -0.93
MEAN:
iEFF.DF VARIATION:
Aug-85 UA1 400502.66 1441143.72 7B19.38 0.00 0.00 0.00 0.00 0.00 0.00
Jul-86 UA1 400502.27 1441153.70 7818.62 -0.39 9.98 -0.76 -0.39 9.98 -0.76
Nov-86 UA1 400502.26 1441153.74 7818.71 -0.01 0.D4 0.09 -0.40 10.02 -0.67
Jul-87 UA1 400502.42 1441153.67 7818.59 0.16 -0.07 -0.12 -0.24 9.95 -0.79
Oct-87 UA1 400502.52 1441153.80 7818.56 0.10 0.13 -0.03 -0.14 10.08 -0.82
Jun-88 UA1 400502.65 1441154.04 7818.53 0.13 0.24 -0.03 -0.01 10.32 -0.85
Nov-88 UA1 400502.65 1441154.00 7818.41 0.00 -0.04 -0.12 -0.01 10.28 -0.97
MEAN:
�EFF.OF VARIATION:
Aug-85 U8 NOT TIED IN THIS SURVEY
Jul-86 U8 402237.66 1441721.25 7265.90 0.00 0.00 0.00 0.00 0.00 0.00
Nov-86 U8 402237.61 1441721.25 7265.94 -0.05 0.00 0.04 -0.05 0.00 0.04
Jul-87 U8 402237.72 1441721.22 7265.89 0.11 -0.03 -0.05 0.06 -0.03 -0.01
Oct-87 U8 402237.76 1441721.30 7265.82 0.04 0.08 -0.07 0.10 0.05 -0.08
Jun-88 U8 402237.84 1441721.45 7265.87 0.08 0.15 0.05 0.18 0.20 -0.03
Nov-88 U8 402237.83 1441721.42 7265.75 -0.01 -0.03 -0.12 0.17 0.17 -0.15
MEAN:
EFF.OF VARIATION:
Aug-85 U7 403692.71 1441660.49 N.A 0.00 0.00 0.00 0.00 0.00 0.00
Jul-86 U7 403692.80 1441660.52 6554.64 0.09 0.03 0.09 0.03 ERR
Nov-86 U7 403692.81 1441660.44 6554.50 0.01 -0.08 -0.14 0.10 -0.05 -0.14
Jul-87 U7 403692.94 1441660.58 6554.52 0.13 0.14 0.02 0.23 0.09 -0.12
Oct-87 U7 403692.96 1441660.56 6554.56 0.02 -0.02 0.04 0.25 0.07 -0.08
Jun-88 U7
Nov-88 U7
T
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