REP04400

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 6/7/1993
• Doc Name: SEMI ANNUAL SUBSIDENCE MONITORING REPORT
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

TABLE 1
SWTNFIELD MINE
SEMI-ANNUAL SUBSIDENCE NONITORINC DATA SUMMARY
(November 1,1992 - April 30, 1993)
SOUTH SUBSIDENCE GRID
Survey Date: 4/93

CHANGE FROM ORIGINAL SURVEY CHANGE FRdI PRECEEDING SURVEY
Survey date: 3/63 Survey date: 10/92
HORIZONTAL
STATION ELEVATION DISTANCE ELEVATION
N0. (FT) (FT) (FT)
1 -o.n o.zo 0.01
z -o.e1 o.n -0.01
3 -1.07 0.12 0.00
4 -1.29 0.06 0.04
5 -0.77 0.26 0.01
6 -0.84 0.25 0.04
7 -0.74 0.16 0.04
8 -0.73 0.30 0.01
9 -0.71 0.35 0.01
10 -0.71 0.40 0.00
11 -0.77 0.47 0.00
12 -1.05 0.84 0.01
13 -1.48 0.92 0.00
14 -1.98 0.83 0.00
15 -2.31 0.79 0.00
16 -0.45 0.18 0.06
17 -0.33 0.66 0.03
18 -0.24 0.17 0.04
19 -0.17 0.24 0.01
20 -0.09 0.33 0.02
21 -0.06 0.36 0.03
22 -0.05 0.38 0.05
23 -0.06 0.37 0.08