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 -
RELATIVE MOVEMENT VECTOR (NET DISPLACEMENT):
----------------------------------------------------------------------------------
MAGNITUDE DIRECTION
DATE STATION HORTZ. MVMNT.(FT) VERT. MVMNT.(FT) TOTAL MVMNT.(FT) AZIMUTH (DEG) DIP (DEG)
----------------------------------------------------------------------------------------------------
MEAN:
COEFF.OF VARIATION:
Aug-85 U10
Jul-86 U10
Nov-86 U10 0.24 -0.15 0.28 36.38 -32.44
Jul-87 U10 0.44 -0.13 0.46 48.69 -16.48
Oct-87 U10 0.55 -0.04 0.55 45.00 -4.15
Jun-88 U10 0.58 -0.19 0.61 42.21 -18.12
Nov-88 U10 0.64 -0.18 0.66 39.92 -15.73
MEAN:
COEFF.OF VARIATION:
Aug-85 U11
Jul-86 U11
Nov-86 U11 1.30 -0.54 1.41 358.24 -22.55
Jul-87 U11 0.10 0.07 0.12 336.04 35.40
Oct-87 U11 0.06 0.00 0.06 38.66 0.00
Jun-88 U11 0.27 -0.10 0.28 55.71 -20.58
Nov-88 U11 0.18 -0.19 0.26 22.38 -45.94
MEAN:
COEFF.OF VARIATION:
Aug-85 U21
Jul-86 U21
Nov-66 U21 0.29 -1.61 1.64 254.05 -79.75
Jul-87 U21 0.75 -2.50 2.61 346.89 -73.31
Oct-87 U21 0.71 -2.34 2.45 356.78 -73.10
Jun-88 U21 0.68 -2.44 2.53 351.51 -74.48
Nov-88 U21 0.58 -2.45 2.52 352.01 -76.78
MEAN:
COEFF.OF VARIATION:
Aug-85 U22
Jul-86 U22
Nov-86 U22 0.04 -0.13 0.14 284.04 -72.40
Jul-87 U22
Oct-87 U22
Jun-88 U22 0.30 -0.92 0.97 340.35 -72.09
Nov-88 U22 0.18 -0.88 0.90 340.56 -78.42
MEAN:
COEFF.OF VARIATION:
Aug-85 U13
Jul-86 U13 2.43 -1.64 2.93 345.22 -34.01
Nov-86 U13 2.46 -1.73 3.00 343.93 -35.16
} Jul-87 U13 2.90 -1.82 3.42 346.63 -32.13
Oct-87 U13 2.92 -1.84 3.45 349.15 -32.20
L
b