_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 MCVf '
S U R V E Y D A T E
AUG 1981 JUL 1982 AUG 1983
1 .0 BACKS I GHT STATION TP-41 TP y XA z/
2.0 INSTRUMENT STATION r/o-Z T10-7 TP- 2-
NORTH COORD. (MINE GRID) /6 475. 2 6 /6 f7s 2 49 /L f 7T. ZG
EAST COORD. (MINE GRID) s2n.v&.l Sz S2o. oq
ELEVATION (ft) ii oyZ. 72 //&y2.ZZ //8y2,L Z
HEIGHT OF TRANSIT (ft) /, 3 / /, 3 / 1131
3.0 BACKSIGHT AZIMUTH
FIELD ERECT 6'730 37 ' SZ " 6,7? 37 ' Sz" 0710 _?7 Sz "
FIELD INVERTED ° ojZ' So" 2,5-30 371 EL! 2.Z0 JZ �jj_"
FIELD AZIMUTH 073 ° �37 ' �" aa3° 3-7 ' SZ " 02LO 32 S3 "
TRUE AZ 1 MUTH dam° ?7 ' S2" 49730 37 ' 7?--" oZ° j 7 ' Sz "
4.0 , BACKSIGHT CORR. ovy0 00l tot " G000 000 00" o0 o ov ' -oi"
5.0 FORESIGHT AZIMUTH
FIELD ERECT /Oy o Sb 0 30 " 0.7" /fro Q1 s0"
FIELD INVERTED ;9&o .5j-L' S 2�" ° ,�6 ' oC " Z� Jq ' 7"
FIELD AZIMUTH le�° �' Zq" mil° S6 ' 07 " �° S6 ' S3 "
TRUE AZIMUTH /A° ,OL' 102' /v° s6 ' 07 " i0Y° SG ' 51 "
6.0 FORESIGHT VERTICAL ANGLE
FIELD ERECT �° J.S' /Z " 36 ' zo " ° ' 30"
FIELD INVERTER / o 2Y 26/e �' ��, " ZdL y—L "
FIELD ANGLE Dom° 3�5-' 222 & JL' L" 02e dh-' �W
HEIGHT OF TARGET (ft)
7.0 HORIZONTAL DISTANCE
MEASURED SLOPE DIST. (ft) 5�4'10, ys SS6/, 6 Z
ATMOSPHER 1 C PRESS. ( in H20) /9. So /9, d-/41 /y.37
TEMPERATURE (Degrees F) 67 S/' �S
COOR. FACTOR (ft) /, _ -1-- 7, 37-
TRUE SLOPE DISTANCE (ft) 5362. 03 _ 5363./-7 Ss63. 23
HORIZONTAL DIST. (ft) Syf9. 6 / SS'00, l-/9
8.0 DIFFERENTIALS
NORTH COORDINATE - /4//7, f f -/,//7 G3 - /'.//7,Z y
EAST COORDINATE S3/3,64 S-3/y.6 7 s3/y.zs
ELEVATION (ft) 3 -OZ7. 33
NORTH COORDINATE (MINE GRID) /SSS7, Z7 /SS5-7.6 3 i SSSY.oZ
EAST COORDINATE (MINE GRID) 33, 70 5-0361, 11 SB 34, -7
ELEVATION (ft) zloli ,7 loll, /9 /H