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):
----------------------------------------------------------------------------------
MAGN I TILDE DIRECTION
DATE STATION HORIZ. MVMNT.(FT) VERT. MVMNT.(FT) TOTAL MVMNT.(FT) AZIMUTH (DEG) DIP (DEG)
----------------------------------------------------------------------------------------------------
Aug-85 UTZ
Jul-86 UT2 0.35 -0.52 0.62 190.01 -56.42
Nov-86 UTZ 0.38 -0.50 0.63 208.61 -53.06
Jul-87 UTZ 0.24 -0.56 0.61 177.61 -66.78
Oct-87 UTZ 0.12 -0.65 0.66 175.24 -79.50
Jun-88 U72 0.21 -0.84 0.87 84.56 -75.90
Nov-88 uT2 0.17 -0.89 0.91 64.98 -79.46
MEAN:
COEFF.OF VARIATION:
Aug-85 U4
Jul-86 U4 0.45 -0.71 0.84 191.56 -57.68
Nov-86 U4 0.54 -0.76 0.93 204.18 -54.75
Jul-87 U4 0.41 -0.71 0.82 195.75 -60.29
Oct-87 U4 0.30 -0.88 0.93 197.24 -70.96
Jun-88 U4 0.26 -0.93 0.97 147.53 -74.34
Nov-88 U4 0.23 -1.06 1.09 136.74 -77.58
MEAN:
COEFF.OF VARIATION:
Aug-85 U1
Jul-86 U1 0.38 -0.76 0.85 171.03 -63.15
Nov-86 ul 0.43 -0.73 0.85 181.33 -59.49
Jul-87 ul 0.34 -0.75 0.82 178.32 -65.60
Oct-87 ul 0.24 -0.80 0.84 177.61 -73.29
Jun-88 111 0.33 -0.88 0.94 121.26 -69.58
Nov-88 U1 0.31 -0.96 1.01 114.90 -72.17
MEAN:
COEFF.OF VARIATION:
Aug-85 U3
Jul-86 u3 0.12 -0.79 0.80 75.96 -81.10
Nov-86 U3 0.50 -0.69 0.85 177.71 -54.05
JuL-87 U3 0.43 -0.80 0.91 169.22 -61.88
Oct-87 U3 0.45 -0.80 0.92 160.35 -60.86
Jun-88 U3 0.49 -0.84 0.97 126.63 -59.95
Nov-88 U3 0.42 -0.97 1.06 108.00 -66.56
MEAN:
:OEFF.OF VARIATION:
Aug-85 U2
Jul-86 U2 0.51 -0.80 0.95 170.91 -57.67
Nov-86 UZ 0.47 -0.72 0.86 176.35 -56.81
Jul-87 U2 0.36 -0.80 0.88 168.69 -65.96
Oct-87 U2 0.38 -0.90 0.98 163.01 -67.30
Jun-88 U2 0.41 -0.98 1.06 126.03 -67.39
Nov-88 U2 0.35 -1.11 1.16 115.11 -72.34
MEAN: