REP39389

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 1/26/1994
• Doc Name: SEMI ANNUAL SUBSIDENCE MONITORING REPORT
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

TABLE 1
SOUTHFIELD MINE
SEMI-ANNUAL SUBSIDENCE MONITORING DATA SUMMARY
(May 1, 1993 - October 31, 1993)
SOUTH SUBSIDENCE GRID ~
Survey Date: 10/93 ~
CHANGE FROM ORIGINAL SURVEY CHANGE FROM PRECEEDING SURVEY
Survey date: 3/83 Survey date: 8/93
STATION ELEVATION DISTANCE ELEVATION
NO. (FT) (FT) (FT) i
1 -0.73 0.16 -0.01
2 -0.82 0.09 -0.01 ~
3 -1.09 0.08 -0.02
4 -1.30 0.04 -0.01 i
5 -0.77 0.19 0.00
6 -0.87 0.23 -0.03 '
7 -0.78 0.12 -0.04
8 -0.74 0.25 -0.01
9 -0.74 0.30 -0.03
10 -0.72 0.37 -0.01
21 -0.77 0.44 0.00 '
12 -1.07 0.78 -0.02 i
13 -1.49 0.89 -0.01
14 -2.00 0.81 -0.02
15 -2.33 0.69 -0.02
16 -0.48 0.21 -0.03 ,
17 -0.32 0.49 0.01 '.
18 -0.26 0.22 -0.02
19 -0.16 0.17 0.01
20 -0.13 0.31 -0.04
21 -0.07 0.37 0.01
22 -0.06 0.2.1 0.01
23 -0.07 0.27 -0.01 '