2008-04-30_REPORT - C1981038 ‎(7)‎

• Permit No: C1981038
• IBM Index Class Name: REPORT
• Doc Date: 4/30/2008
• Doc Name: 2007 Annual Subsidence Report
• From: J.E. Stover & Associates Inc
• To: DRMS
• Permit Index Doc Type: Subsidence Report
• Email Name: MLT
• Media Type: D
• Archive: No

BOWIE OURCES -BOWIE NO. 1 MINE
SUBSIDENCE MONITORING DATA - 2007
STATION: PL#7
Roof Bolt
The Subsidence Monitoring Point PL#7 is located 1,980 feet from recent mining. This point is within
the angle of draw of the Bowie No. 1 Mine workings and was most recently affected by workings
described as Entries in 1996, more than 8 years ago.
DATE NORTHING FASTING ELEVATION -DOWN/+UP
9/26/1992 16987.34 10389.94 7504.35 0.00
5/21/1993 16986.76 10389.75 7504.14 -0.21
10/14/1993 16986.39 10389.54 7504.54 0.40
5/18/1994 16986.73 10389.71 7504.32 -0.22
9/22/1994 16987.98 10390.42 7504.00 -0.32
6/5/1995 16986.96 10388.77 7504.95 0.95
10/10/1995 16986.93 10388.67 7505.09 0.14
5/2/1996 16986.97 10388.76 7504.92 -0.17
6/17/1996 16986.93 10388.66 7505.16 0.24
9/10/1996 16986.97 10388.68 7506.10 0.94
6/12/1997 16986.97 10388.63 7504.99 -1.11
11/23/1998 16986.72 10388.71 7506.02 1.03
6/17/1999 16986.65 10388.76 7505.92 -0.10
9/17/1999 16986.77 10388.72 7505.82 -0.10
6/23/2000 16986.74 10388.72 7505.92 0.10
12/4/2000 16986.81 10388.78 7505.76 -0.16
11/20/2001 16985.73 10390.69 7504.51 -1.25
8/23/2002 16985.75 10390.71 7504.61 0.10
12/10/2002 16985.72 10390.68 7504.56 -0.05
6/20/2003 16985.72 10390.69 7504.66 0.10
12/24/2003 16985.71 10390.67 7504.60 -0.06
8/10/2004 16985.70 10390.71 7504.64 0.04
12/24/2004 16985.72 10390.71 7504.60 -0.04
8/30/2005 16985.71 10390.70 7504.71 0.11
12/20/2005 16985.73 10390.70 7504.55 -0.16
6/21 /2006 16985.63 10390.78 7504.69 0.14
12/27/2006 16985.72 10390.75 7504.62 -0.07
7/12/2007 16985.66 10390.77 7504.58 -0.04
12/18/2007 16985.75 10390.74 7504.54 -0.04
T
(i]~
c
c~
Z
0
0
MAXIMUM 16987.98 10390.78 7506.10 1.03
MINIMUM 16985.63 10388.63 7504.00 -1.25
RANGE 2.35 2.15 2.10