REP23325

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 5/5/2004
• Doc Name: 2003 Bi-Annual Subsidence Report
• From: J.E. Stover & Associates
• To: DMG
• Permit Index Doc Type: Subsidence Report
• Media Type: D
• Archive: No

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LINE 7 Hubbard Creek Canyon
January 26, 2004
Bowie No. 2 Mine Subsidence
Survey Od-Nov 2003
STA Date Node # Northing Easting Elevation
7-A 1999 441 28101.99 39037.69 6333.68
2000 800 28102.11 39037.67 6333.64
2001 1149 28102.06 39037.72 6333.62
Nov 2002 1744 28102.14 39037.76 6333.59
May 2003 1938 28102.09 39037.72 6333.54
July 2003 1979 28102.10 39037.69 6333.57
Nov 2003 2100 28102.14 39037.73 6333.64
Average 28102.09 39037.71 6333.61
7-B 1999 435 27375.19 39716.72 6342.84
2000 724 27375.28 39716.61 6342.82
2001 1074 27375.31 39716.74 6342.96
Nov 2002 1689 27375.41 39716.75 6342.92
May 2003 1931 27375.34 39716.72 6342.92
July 2003 1963 27375.37 39716.71 6342.89
Nov 2003 2085 27375.37 39716.73 6342.93
Average 27375.32 39716.71 6342.90
7-C 1999 436 26917.95 40068.13 6389.63
2000 796 26917.96 40068.07 6389.83
2001 1150 26918.09 40068.16 6389.85
Nov 2002 1745 26918.10 40068.11 6389.84
May 2003 1939 26918.04 40068.11 6389.77
July 2003 1980 26918.03 40068.11 6389.81
Nov 2003 2101 26918.10 40068.18 6389.87
Average 26918.04 40068.12 6389.80
7-D 1999 437 24854.94 39445.49 6746.63
2000 809 24855.12 39445.64 6746.53
2001 1151 24855.23 39445.88 6746.52
Nov 2002 1746 24855.35 39445.84 6746.44
May 2003 1940 24855.17 39445.85 6746.60
July 2003 1981 24855.19 39445.76 6746.44
Nov 2003 2102 24855.20 39445.89 6746.49
Average 24855.17 39445.76 6746.52
Change in position: July 2003 ~ Nov. 2003
Description
NAIL
REBAR+CAP
DRILL STEEL IN BOULDER
REBAR+CAP
POINT# SURVEY#
Jul 2003 -Nov 2003 BEARING DISTANCE ELEV
7-A 1979-2100 N 45°00'00° E 0.06 + 0.07
7-B 1963-2085 S 83°59'28° E 0.02 + 0.04
7-C 1980-2101 N 48°30'13" E 0.10 + 0.06
7-D 1981-2102 N 84°17'22" E 0.13 + 0.05
S2-9