UNITED STATES
<br /> MID-CONTINENT RESOURCES, INC
<br /> DEPARTMENT OF THE INTERIOR
<br /> GEOLOGICAL SURVEY '
<br /> 107°2 2'30" � aau* , 4562 IV SE j07.15, o� CARBONDALE, COLORADO
<br /> 793 294 R 90 W. R.89 W. % E 97 98 20' '99 _ 00 IS TONV RIDGE) 301 102 1 7130•" q3 R 89 W 1 500(700 EEEI R 88 W y15 �116 E. "07
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<br /> — �,, COAL BASIN MINES
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<br /> LOCATIONS OF CONTROL 81 MONITORING
<br /> POINTS RELATIVE TO TOPOGRAPHY
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<br /> w (, �)� �� t 8 I 81 MINE WORKINGS
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<br /> 430 Map No. SUB-85-01 November 1985
<br /> = i r ' f 1-✓ / .y.r`" - ^` l ' ��"`%" \_/ °` ��) .J { Prepared by Bruce A.Collins, Ph. D.,Consulting Geologist Poonia, Colorado
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<br /> EXPLANATION
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<br /> �IH Survey control points.
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<br /> < 0 Subsidence monitoring points.
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<br /> -^..% ,�. -_\ ��\ l ( Mined-out areas, M bed (Dutch Creek No. 2 mine).
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<br /> 5_ /, • � . . ,- - ,. ;. ,%!-; ,, `�_ ..._. - L,._., .. � �\�` m '- ' M `" w. C ry,,. �;' Mined-out areas, B bed (Dutch Creek No.1, L.S. Wood&No.3, Bear Creek No.4, Coal Basin No.5 mines).
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<br /> Y C•r z i' • '� e°� ) ��$ ' Mined out areas,both beds.
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<br /> � I Projected M bed outcrop.
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<br /> _ VU CH CR � , Projected B bed outcrop.
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<br /> 4 `(, �✓ - / - - �4 = Exterior boundary, Mid-continent owned or leased lands.
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<br /> __-- ---- _.. /1/� -,. - '^��' Q 7 .; �� ,., ' _ ._ - ✓`�-- - � NOTES Survey control and subsidence monitoring point locations
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<br /> -= //`:- i - � \ I u \ ��/""•," - 'a L- - , \ , �. "~" �� � "'"' s ° n°' -+ = from Mining 81 Subsidence Engineering Company map no.
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<br /> • •. .n ,oA-o.o:.R 9 , A�.a. »+."N .,," o,. •.., 796 1 4 70 C00 T E E I '96 797 798 2 799 AIR M"1 SE NI 101 17'30" 103e°0.n E JR.89 W AR - " ° �' 107 15 -`__ _ q7 \ 3 7 30
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<br /> 111 SE a BlE a MI � n � •�
<br /> SCALE 1 24000 ..
<br /> Control Topography y S and USCr eCt7r c methods from aerial GN e- -_T.. - - '��- -�-- "-- __� MILE ROAD CLASSIFICATION
<br /> Mapped, edited, and published by the Geological Survey
<br /> by
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<br /> phoocig
<br /> MN low 0 1" 2000 3000 4000 5W) 6000 7000 FEET I
<br /> - r-r_H r{ T _� -- -3 z- _- ,L Light duty Unimproved din
<br /> photographs taken 1962 Field checked 1963 i S o 1 KILOMETER
<br /> Polycom< projection. 1927 North American datum 14' CONTOUR INTERVAL 40 FEET State Route
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<br /> 1'28' 2dy M,ls
<br /> 76-MILS DATUM is MEAN SEA LEVEL COLORA00
<br /> �• Topographic base from Placito and portions of Elk
<br /> _— Knob and Redstone U.S. Geological Survey 7.5'Quod-
<br /> UTM GRID AND 1%3 MAGNETIC NORTH rangle maps.
<br /> DECLINATION AT CENTER Or SHEET QUADRANGLE LOCATION
<br /> IV - F - 1
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