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

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SUM14ARY OF SUBSIDENCE SURVEY DATA - M -CONTINENT RESOURCES INC. COAL BAS N M NES SUBSIDENCE MONITORING POINT MCO 3 S U R V E Y D A T E AUG 1981 JUL 1982 AUG 1983 1 .0 BACKS 1 GHT STATION T/9- `7/ TP- '-/ 2.0 INSTRUMENT STAT I ON / f-.S /P-5- T�S NORTH COORD. (MINE (RID) //9 9 V,.Sy //ffV, sF 9 g L EAST COORD. (MINE ID) 4190S,N8 y4o51 IV 195-1y9? ELEVATION (ft) //S9/, 03 //.-9/-03 115-to•657 HE i GHT OF TRANSIT ( t) /, 3/ 1131 1131 3.0 BACKSIGHT AZIMUTH FIELD ERECT 32$a /9 ' /3 " V ' �' // " 3Z$° e' FIELD INVERTED eq, ED /�' J �" (fie /1_'FIELD AZIMUTH ° ' L" 2 ,° /f �" 3�° �,' TRUE AZIMUTH 3— ° fq' // " fj° /'g ' // " �° /B ' Ste" 4.0 BACKS IGHT CORR. ooiP vol 00" 000P oo' -03 M 0600 Vol -01" 5.0 FORESIGHT AZIMUTH FIELD ERECT 16q° yy' S1" /W • qs' Of' l e 4E' LL" FIELD INVERTED 3h/y° y41' ,�" 1N' OV Lfoy y,S-' /9 FIELD AZIMUTH 16q° --mv Le TRUE AZIMUTH /6'd° 44/' 6i " �&p dey o Z" &P ED Zl" 6.0 FORESIGHT VERTICAL ANGLE FIELD ERECT !05' oS' 34 " 10V 05-1 y3" IDS' OS' 406" FIELD INVERTER 4a �' 0" � 6-3 SY" 275Y 0 S3 ' 36" FIELD ANGLE /moo RE' SL" &Se 6S' �w alto 06 ' OS" HEIGHT OF TARGET (ft) 0,9.5 0.9S 7.0 HORIZONTAL DISTANCE MEASURED SLOPE D 1ST (ft) 1012, ab 1812,041 ATMOSPHERIC PRESS. An H20) 5v /91.58 / Z TEMPERATURE (Degree i F) 111 62 COOR. FACTOR (ft) 0.Sa D, 5o O, o TRUE SLOPE D I STANCE (ft) /bi1..S6 /y/Z.5�/ /f0/2,6V HOR 1 ZONTAL D I ST. (ft) /7 So.oo /711/9. 97 /7-5'40,0v 8.0 DIFFERENTIALS NORTH COORDINATE -/6 88.35- EAST COORDINATE 1160. 313 96o, 266 / ELEVATION (ft) -y7/. /t - /• / - '/'7/,Z •*e"�►e*""*"�***"***�"**e a****ee*�eee**"*�*r"**e**ee�*epee*****"e*e""**eye*�**** NORTH COORDINATE (MINE GRID) /O 306.Zy /0306,2 W EAST COORDINATE (M I E GRID) S 65% S3 6 S 7 6S, ELEVATION (ft) Ill 1 it lr o 1 do �►•rrrer��►�►r��r""*ens*��e �►**�*�e*ee*�►e*eeeere�*�eeeee*�e�ee*e**eee•ee*e�***"��"*