REP33908

• Permit No: C1981014
• IBM Index Class Name: Report
• Doc Date: 6/11/1999
• Doc Name: SEMI ANNUAL SUBSIDENCE MONITORING REPORT 7/1/1998 - 12/31/1998
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

TABI:E 1
Southfield Mine
SEMI-ANNUAL SUBSIDENCE MONTTORING DATA SUMMARY
PERIOD: JULY I -DECEMBER 31, 1998
FLORENCE WATER LINE
Original Survey Dates: 5185, 70/87, 1/95, 5196
Previous Survey Dete: 9/98
Latesl Survey Date: 12/98
Change from Original Survey
Monument Latest Survey Vertical Horizontal
No. Elevation (Ft) Change (Ft) Change (Ft~
B 6,431.88 -0.12 0.65
...... :..::::': :.:..:6;. ZZ:5..:::: ;:.:::;.-0.62.::::::: :.:::::#,46':::::
D 6,553.39 -1.08 0.55
E :.:. :::..6,63'1;25::::.: :::::: _2.38:: ' ',' ! :; ; :; 2:06::':::
F 6,296.82 -2.08 0.27
,..
.:.:. ..:.:6,261:..?...:.:.'. :; :::.=3::.4::° °' ::::.:9~'.'.:;
H 6,238.91 -1.37 0.14
I::::::: :: : 6:205:x::::::: :::::': =3:43:':::::! :;: ; ;.::0.29 ::::
Change from Previous Survey
Previous Survey Vertcal Horizontal
6,431.94 -0.06 0.02
':::.:..:::8.477;54..::.:. ::.:' -0;03.:..:::: :::` :: 0,~:.:
6,553.51 -0.12 0.32
:::.::::8:63135' ':: :.::p:'10:'::!::. :::041:'::
6,296.98 -0.16 0.13
,.'.:::.:= i :.::: 8,261:56:::.:: ::-..-0;1b:';;"" ' ::.=...:'0:1.0 .;'.
6,239.04 -0.13 0.16

RANCH STRUCI'IJRES
Original Survey Date:5/85
Previous Survey Date: 9/98
Latest Survey Dete: 72/98
Change from Original Survey
Charge from Previous Survey
Latest Survey Vertical Horizontal Previous Survey Vertical Horizonrtal
Structure Elevation t Ch a Ft C e Ft Elevation Ft Cha a Ft Cha Ft
N. House 6,366.92 -0.43 0.28 6,367.15 -0.23 0.23
S: House. 6,371.55.:.:: ' :: -0.39.:::: 0.19' ...... .. . ... . .6;371:73 '.:-0.18::, : :.:..::0:21:. , '
Barn 6,382.98 -0.42 0.16 6,383.15 -0.17 0.22
CREEK POINT
Original Survey Date: 5/85, 12/96
Previous Survey Dete: 9198
Latest Survey Date: 12/98
Change from Original Survey
Latest Survey Vertical Horizontal
Change from Previous Survey
Previous Survey Vertical Horizontal
.27 0.06
NOTE: N/A = No Data