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):
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MAGNITUDE DIRECTION
DATE STATION HORIZ. MVMNT.(FT) VERT. MVMNT.(FT) TOTAL MVMNT.(FT) AZIMUTH (DEG) DIP (DEG)
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EFF.OF VARIATION:
Aug-85 U5
Jul-86 U5 0.65 -0.73 0.98 169.38 -48.27
Nov-86 U5 0.62 -0.68 0.92 178.15 -47.63
Jul-87 U5 0.55 -0.72 0.91 176.88 -52.58
Oct-87 U5 0.60 -0.79 0.99 167.57 -52.59
Jun-88 u5 0.59 -0.71 0.93 143.90 -50.08
Nw-88 US 0.61 -0.86 1.06 141.63 -54.55
MEAN:
EFF.OF VARIATION:
Aug-85 U9
Jul-86 U9 0.60 -0.84 1.03 159.44 -54.55
Nov-86 U9 0.58 -0.70 0.91 171.03 -50.50
JuL-87 U9 0.49 -0.82 0.95 169.38 -59.22
Oct-87 U9 0.54 -0.83 0.99 165.96 -57.15
Jun-88 U9 0.53 -0.80 0.96 148.11 -56.48
Nov-88 U9 0.49 -0.93 1.05 144.06 -62.02
MEAN:
EFF.OF VARIATION:
Aug-85 UA1
Jul-86 UA1 9.99 -0.76 10.02 92.24 -4.35
Nov-86 UA1 10.03 -0.67 10.05 92.29 -3.82
Jul-87 UA1 9.95 -0.79 9.98 91.38 -4.54
Oct-87 UA1 10.08 -0.82 10.11 90.80 -4.65
Jun-88 UA1 10.32 -0.85 10.35 90.06 -4.71
Nov-88 UA1 10.28 -0.97 10.33 90.06 -5.39
MEAN:
-' .EFF.OF VARIATION:
Aug-85 u8
Jul-86 u8
Nov-86 U8 0.05 0.04 0.06 ERR 38.66
Jul-87 U8 0.07 -0,01 0.07 333.43 -8.48
Oct-87 U8 0.11 -0.08 0.14 26.57 -35.59
Jun-88 U8 0.27 -0.03 0.27 48.01 -6.36
Nov-88 U8 0.24 -0.15 0.28 45.00 -31.96
MEAN:
_FF.OF VARIATION:
Aug-85 U7
Jul-86 U7 0.09 ERR ERR 18.43 ERR
Nov-86 U7 0.11 -0.14 0.18 333.43 -51.39
Jul-87 U7 0.25 -0.12 0.27 21.37 -25.91
Oct-87 U7 0.26 -0.08 0.27 15.64 -17.13
_.. Jun-88 U7
Nov-88 U7