_GENERAL DOCUMENTS - C1981017 ‎(246)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Name: Bid Documents ‎(IMP)‎ TR-17 Correspondence
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

SUMMARY OF SUBSIDENCE SURVEY DATA
MID-CONTINENT RESOURCES INC.
COAL BASIN MINES
SUBSIDENCE MONITORING POINT MCO L
S U R V E Y D A T E
AUG 1981 JUL 1982 AUG 1983
1.0 BACKS I GHT STATION T-P- 2 771- Z
2.0 INSTRUMENT STATION file-# 5- /1?L $- /sf G#S
NORTH COORD. (MINE GRID) /5SS7-ZT _15�5 7.93 /s- o Z
EAST COORD. (MINE GRID) 5B33, 70 S0 3 Y, 7/ s83y.75_
ELEVATION (ft) 110/6 - /1, //v/S: /t 11o/y, S�
HE 1 GHT OF TRANS 1 T (ft) 3 , o S ?, 3 7 2, 0 9
3.0 BACKSIGHT AZIMUTH
FIELD ERECT 28y° 5+6 ' 31 " 29y° 56 ' 06 " 2 ° SS'
FIELD INVERTED %03° s 6 ' 2r �° 5-6 ' _off" '° Ss'
FIELD AZ 1 MUTH 2$y° S6 ' 33 " ? ° �L ' Qjz" �y_° I L
TRUE AZ 1 MUTH 2�° ,Sy' 3O " Zate 5-6' 07" Zby° 53-' a 2:1
4.0 BACKS I GHT CORR. 0000 0000 00 , +-o 1 o o' -o y"
5.0 FORESIGHT AZIMUTH
FIELD ERECT $oo ° .5-6 ZZ " ° Sy' 3&/ ° 5�' Z3 "
FIELD INVERTED lam° 5-6 IV
FIELD AZ 1 MUTH 30v ° 5-6 23 " 300° 3 7 " ° 94 '
TRUE AZIMUTH 3ov ° 76-' 20" j�j° Sy'
6.0 FORESIGHT VERTICAL ANGLE
FIELD ERECT to �' S/2 " ° 3 ' S6 .59FIELD INVERTER Z �' ys' 5-4 ,FIELD ANGLE f 3' o z " LEO �' a" &° a_' /Z
HE 1 GHT OF TARGET (ft) 0. O,9S-
7.0 HORIZONTAL DISTANCE
MEASURED SLOPE DIST. (ft) Z0 /2. 8-9 2o/2,577 2oi2 ,37
ATMOSPHERIC PRESS. ( in H20) /S, SD 19. f S 19,
S
TEMPERATURE (Degrees F) 67 6 0 K 2
COOR. FACTOR (ft) o.s6 0, -5-4 0,-5-4
TRUE SLOPE DISTANCE (ft) 2013.-1/6- 7-oi3• /3 2013. 'F3
HORIZONTAL DIST. (ft) 1932. 6$ /432 , eY 1133.7.7
8.0 DIFFERENTIALS
NORTH COORDINATE 99 3,6'/ 99 2 ,90 913. 29
EAST COORDINATE 7
ELEVATION (ft) -5-A. -560.6-3 -560, 6 3
NORTH COORD i NATE (MINE GRID) /6 SS o, 41 /6 5 5'0• 5'3 1 6 ss/. 3/
EAST COORDINATE (MINE GRID) y/76,o/ 3'? • 19/-75. &Z
ELEVATION (ft) I0y59,y7 Ioysy,s0 /oysy, 24