REP40721

• Permit No: C1996083
• IBM Index Class Name: Report
• Doc Date: 8/6/2003
• Doc Name: 1st Half 2003 Subsidence Monitoring Report
• From: J.E. Stover & Associates
• To: DMG
• Permit Index Doc Type: Subsidence Report
• Media Type: D
• Archive: No

Bowie No. 2 Mine Subsidence
Hubbard Creek points, May, 2003
LINE-17
STA Date Node # Northing Easting Elevation Description
17-A 2001 1198 33775.77 36915.99 6451.02 REBAR+CAP
Nov 2002 1875 33775.82 36915.93 6451.07
May 2003 1932 33775.78 36915.89 6451.04
Average 33775.79 36915.94 6451.04
17-B 2001 1199 32913.52 37307.88 6439.64 REBAR+CAP
Nov 2002 1876 32913.60 37307.83 6439.69
May 2003 1933 32913.57 37307.75 6439.58
Average 32913.56 37307.82 6439.64
17-C 2001 1200 32001.60 37658.62 6416.61 REBAR+CAP
Nov 2002 1877 32001.72 37658.58 6416.62
May 2003 1934 32001.63 37658.53 6416.62
Average 32001.65 37658.58 6416.62
17-D 2001 1201 31155.32 37987.83 6375.04 REBAR+CAP
Nov 2002 1878 31155.46 37987.75 6374.95
May 2003 1935 31155.34 37987.76 6375.01
Average 31155.37 37987.78 6375.00
17-E 2001 1202 29833.25 38182.72 6359.30 REBAR+CAP
Nov 2002 1879 29833.37 38182.74 6359.29
May 2003 1936 29833.32 38182.76 6359.36
Average 29833.31 38182.74 6359.32
17-F 2001 1203 29579.87 38739.25 6349.07 REBAR+CAP
Nov 2002 1880 29579.94 38739.22 6349.05
May 2003 1937 29579.90 38739.21 6349.02
Average 29579.90 38739.23 6349.05
Chance in position: November 2002 Mav 2003
POINT # SURVEY #
Nov 2002-Ma 2003 BEARING DISTANCE ELEV
17-A 1875-1932 S 49°29'50" W 0.06 - 0.03
17-B 1876-1933 S 67°48'35" W 0.08 - 0.09
17-C 1877-1934 S 30°11'01" W 0.11 0.00
17-D 1878-1935 S 05°42'38" E 0.12 + 0.06
17-E 1879-1936 S 30°57'50" E 0.05 + 0.07
17-F 1880-1937 S 10°42'47" W 0.04 - 0.03
3