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SUMMARY OF SUBSIDENCE SURVEY DATA <br /> MID-CONTINENT RESOURCES INC. <br /> COAL BASIN MINES <br /> SUBSIDENCE MONITORING POINT MC/ 3 <br /> S U R V E Y D A T E <br /> AUG 1981 JUL 1982 AUG 1983 <br /> 1 .0 BACKS i GHT STATION TP 4-1 T�y <br /> 2.0 INSTRUMENT STATION / P-S TO- T�S <br /> NORTH COORD. (MINE GRID) //9 9 y,Sy //4f y. SIq -- 19 fy L <br /> EAST COORD. (MINE GRID) ygaS,y8 y�ios, yk 051y& <br /> ELEVATION (ft) //s9/• 03 /13--9/,03 //5-1o•6S <br /> HE 1 GHT OF TRANSIT (ft) /. 3/ 1,31 1131 <br /> 3.0 BACKSIGHT AZIMUTH <br /> FIELD ERECT 32t;o /9 /3 " 3ze 32e ,6 �" <br /> FIELD INVERTED /t/ o �� �" /�0 j 1_n /�o �� p/ n <br /> FIELD AZIMUTH 32 8 ° " o �� �n 3 �,o m � o 0o n <br /> TRUE AZIMUTH // " ILi? 02 ' Ste" <br /> 4.0 BACKS IGHT CORR. oo(,, oo' 00" coo° oo' -03" owo Vol -01" <br /> 5.0 FORESIGHT AZIMUTH <br /> FIELD ERECT 16q o Ny' S1" 16y° q5' oS" 1i uo �' 7 n <br /> FIELD INVERTED 3'-/N° -/y' �o" 3'�yo � all lye yTf l LE" <br /> FIELD AZ 1 MUTH �/° yy' �" /6�P ys' &V <br /> TRUE AZIMUTH /6 1° tiy 5-' " !�P 43-' 0 Z" LA c./S' L" <br /> 6.0 FORESIGHT VERTICAL ANGLE <br /> FIELD ERECT /oSo OS' 34 " /os° OS' 4e-3" ioS° oS' '/8" <br /> FIELD INVERTER ? i° —• ' " Sc s'�' S,y" 2a S3 ' 3B" <br /> FIELD ANGLE /e° os' SL" oS' " /oS° <br /> HEIGHT OF TARGET (ft) o,9S O.9S o. 9S" <br /> 7.0 HORIZONTAL DISTANCE <br /> MEASURED SLOPE DIST. (ft) /0/2, ob /8/2,Dy /63/z /y <br /> ATMOSPHERIC PRESS. ( In H20) Ste/ /9159 / 2 <br /> TEMPERATURE (Degrees F) / 62 <br /> COOK. FACTOR (ft) o.Sb p, 5o O, o <br /> TRUE SLOPE D I STANCE (ft) /b/Z.S6 /H/Z.,S2� <br /> HORIZONTAL DIST. (ft) i7So.00 /7y4. 97 /7So,ov <br /> 8.0 DIFFERENTIALS <br /> NORTH COORD I NATE - 16 8 e,35- -/6 88.35 <br /> EAST COORD 1 NATE 960. 3 8 960 2 6 fl, / <br /> ELEVATION (ft) -y7/. I t - <br /> NORTH COORD 1 NATE (MINE GRID) /0 306.Zy /y 3v6.2 /0 3 d 6,2 0 <br /> EAST COORD I NATE (MINE GRID) S 6S. 53 6 s 7 63 65-- <br /> ELEVATION (ft) j 1 ! 1 41, 92 11 " 190 11141 . 4040 <br />