_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 MC//
S U R V E Y D A T E
AUG 1981 JUL 1982 AUG 1983
1 .0 BACKS I GHT STAT 1 ON Flo- y TP- Y
2.0 INSTRUMENT STATION TP-s 7-10- S TP-s
NORTH COORD. (MINE GRID) //4 9y S9 I l ef,9 Y,5'I //
EAST COORD. (MINE GRID) Wo S,ys 61949S. y8 `l 9oS. 83
ELEVATION (ft) /iS-q 10.7 ilSri/.o3 1/6790.6.5
HEIGHT OF TRANSIT (ft) /, 3/ / . 3
3.0 BACKS IGHT AZIMUTH
FIELD ERECT 320 a /1' /I /8 ' �a
FIELD INVERTED /to �1 �a /y�o � �a ��o � n
FIELD AZIMUTH 32e 9 1 Le 3280 lC�� je 35ZL50 1 jan
TRUE AZIMUTH 32e 6-' -4L" ,�° L' 1" l9 ° 16 ' 19 "
4.0 BACKSIGHT CORR. 'Poo ° oo' -oi" 00o° oo' ov" ooe oo 00"
5.0 FORESIGHT AZIMUTH
FIELD ERECT /57 ° S8' 2 y" 1510 Sg' A " I'Si a 519' 35'"
FIELD INVERTED 331 ° ' Z 2 " 33!° ' Z�" �° ' ZQn
FIELD AZIMUTH /s/ e at, -Z •" /5-/o -5-e'' 7 4 l Sl°
TRUE AZIMUTH /S/ ° ' 2 2" /Je rt' Z?' E/° Thr ' 3 Z "
6.0 FORESIGHT VERTICAL ANGLE
FIELD ERECT o4/e 0q ' '/3 " ogl0 0,7 ' yo " �e a4 ' X."
FIELD INVERTER m40 1.Y-t zn �kk ,y n 80 0 /o n
FIELD ANGLE o41 o 05 ' .Sy" Qom° Oa' " ell a _Qf' N3 "
HEIGHT OF TARGET (ft) O, 4S 0.95-
0.4�
7.0 HORIZONTAL DISTANCE
MEASURED SLOPE DIST. (ft) `T/ T7. l7 -7/6"7, /7 /s-7 o6
ATMOSPHERIC PRESS. ( in H20) l 9,T/ I e,SQ / . SZ
TEMPERATURE (Degrees F) s 7 6 Z �-
COOR. FACTOR (ft) I.ti 5 /,
TRUE SLOPE DISTANCE (ft) -71.5-1. /6 7/59. /6 7/5q.05-
HORIZONTAL DIST. (ft) 7i57.6$ -7/s7. 68 -7/57,6-5
8.0 DIFFERENTIALS
NORTH COORD 1 NATE - 6 3/ 6.2 6 - (.3 to,33 - 6 3/8, 3 3
EAST COORD I NATE 3 36 3.3 2. 33 63. Z/ 33 6 2. 98
ELEVATION (ft) -/3q,5y -I3y417 - /3g/, 16
NORTH COORD I NATE (MINE GRID) S-676 . 33 4-6 76. Z 6 6-6 7e•33
EAST COORD I NATE (MINE GRID) & 8. / 0 Z 69.6 9 _ 8 26 8.9/
ELEVATION (ft) .So