REP48293

• Permit No: C1981033
• IBM Index Class Name: Report
• Doc Date: 2/6/1985
• Doc Name: BEAR MINE SUBSIDENCE CONTROL
• From: E LEROY BLACK
• To: MLR
• Permit Index Doc Type: SUBSIDENCE REPORT
• Media Type: D
• Archive: No

• , iiiiiiiiiiiniiiiii
;_' :.; : ` . ; ENGINEERING & SURVEYING COMPANY
BOX 674 • 443 DODGE DELTA. COLORADO. 81416 303-874-7593
........ r .... ... ... ... _ ... .... ~..~. ..:.c4 _... .
7881-8v
February 1, 1985
Mined Land keclamation
423 Centennial Building
1~.1~~ Sherman Street
Denver, Colorado 80203

kE: Bear Mine - Subsidence Control

~~~~~~~®

C!IINED LAND RECLAMATION DIVISION
Colo. Dep[. of Natural Resources
In reviewing our files, I did not find a letter of
transrtiittal regarding our 1983 survey control to establish
stcbsidence monitoring points for Fear Mine. Following are
the control points and coordinates:
Station
a
y
Z
Survey 6-10-83
D-li 405,064.5683 1,440,552.4763 6184.6300
D-12 405,417.1669 1,441,624.3050 6192.35?0
U-7 4t1~,,592.2950 1,441,660.6704 6549.5726
U-T2 400,581.7321 1,439,72:~,h010 7694.4169
U-1 4U0,464.0142 1,440,849,5613 7826.1051
U-4 400,429.3694 1,440,494.6551 7748.71151
U-5 399,021.3981 1,442,448.2:39 7791.0127
U-9 401,047.6010 1,442,611.5893 NONE
U-A1 400,501.3819 1,441,147.2172 NONE
U-2 400,6~•1.2794 1,441,795.845= NONE
U-~ ~~99, 662.01 10 1 , 441 , 7~•5. 2603 774~~. 9481
Survey 7-23-84
U-7 403,692.1757 1,441,660.5388 6549.5900
In 1984, the only monitoring required was point U-7. No
movement was determined.
)f you have any question , please r_ontact me.
i- -:
E. Lekay Flacl;
cc: Sear Coal