1992-02-10_GENERAL DOCUMENTS - C1981017 ‎(2)‎

• Permit No: C1981017
• IBM Index Class Name: GENERAL DOCUMENTS
• Doc Date: 2/10/1992
• Doc Name: Bid Documents ‎(IMP)‎
• Permit Index Doc Type: General Correspondence
• Media Type: D
• Archive: No

SUMMARY OF SUBSIDENCE SURVEY DATA
MID-CONTINENT RESOURCES INC.
COAL BA N MINES
SUBSIDENCE MONITORING POINT MC# y
S U R V E Y D A T E
AUG 1981 JUL 1982 AUG 1983
1 .0 BACKS 1 GHT STATION 71'0- 41
2.0 INSTRUMENT STATION TP-Z %p-z- P' Z.
NORTH COORD. (MINE GRID) /6475.24, /6975.26 /4C9 7s-Z
EAST COORD. (MINE GRID) SZo.oy S2o,oy SZo. oy
ELEVATION (ft) //gyZ .Z2 779-/TZ7- %/8y2. zZ
HEIGHT OF TRANSIT (ft) /. 3 / /• 3 / /. 3/
3.0 BACKSIGHT AZIMUTH
FIELD ERECT 0210 3Z' S7- 073° 371 S'L" 0730 37 ' s2"
FIELD INVERTED o e 1 " o t —w
1� 2z ` za si za � ,17L
FIELD AZIMUTH o20 1' So" 12232 f7:1 " oT3° 371 47 "
TRUE AZIMUTH an° 37' 415-2" 0730 _a' S-L" air ° E 1 Sz "
4.0 BACKS IGHT CORR. o00 ° o o I +o2" oof 001 00" ov oo "
5.0 FORESIGHT AZIMUTH
FIELD ERECT / ° 02 ' Or7" 1,320 02 ' /0" y
FIELD INVERTED 3/z0 02 ' oy" /2° o21 � ° of
FIELD AZ 1 MUTH )2 0 az ds"" — 02 ' jar /32° / 1 w
TRUE AZIMUTH / z:° 02 " 3 Z0 0 2 ' " j32° y "
6.0 FORESIGHT VERTICAL ANGLE
FIELD ERECT 7 ' // " Z' 07"
FIELD INVERTER S' LZ_' _d! " /Z Z S" 26S° /Z ' ,_"
FIELD ANGLE 1 ' f„Q,." y,Z' ," off° ,� 2It"
HEIGHT OF TARGET (ft) 42 9� O.AS- D,4r
7.0 HORIZONTAL DISTANCE
MEASURED SLOPE D I ST. (ft) //Q36. Z Z 8 y4 36.e18
ATMOSPHERIC PRESS. (In H20) /g,-q-o /f. yy /'sue, . /
TEMPERATURE (Degrees F) 52 SZ Yz
COOR. FACTOR (ft) f.3 7 /, 3 7 /,3 7
TRUE SLOPE D 1 STANCE (ft) 4j*-77.6 S-_ 19437.E S 404 37.f�S
HORIZONTAL DIST. (ft) 1;1420.412 "/920, W y920.60
8.0 DIFFERENTIALS
NORTH COORDINATE -3Z9y 6S - 3,Z4 y, 6 6 — 32'15/,L/y
EAST COORDINATE 36 Ste/,✓`- 36 S'Y. S3 3 6 s'/. 9 9
ELEVATION (ft) -4o6. Bo_ -vat. 89 - yob . 9'Y
NORTH COORDINATE (MINE GRID) 1 36 80, 6 / 136 f�o.6 D /36Bo•�Z
EAST COORDINATE (MINE GRID) y 74A&5v yi 7V. s7 4,/ 7,570 0 3
ELEVATION (ft) )1935-* '712 1/A/3f33 // ,Y3S.2y