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6760 6760 6840 6840 6720 6720 6800 . . . . 6800 375' 6680 6680 6760 6760 6640 6640 6720 6720 GROUND SURF 6600 6600 6680 6680 ............. ......I ............ . 6560 6560 6640 6640 6520 6520 6600 6600 SECTION A- A' CPOSSIBLE: UBS DENC q�e 6480 6480 VERT, AND HOR, SCALE 1' = 100' 6560 6560 6440 6440 SEE MAP NO. 27 FOR LOCATIONS 6520 6520 IT SECTI ❑N C - C' 6400 6400 6480 6480 �h VERT, AND HOR, SCALE 1' = 100' 6360 6360 6440 6440 SEE MAP NO, 27 FOR LOCATIONS 6320 6320 6400 . . . .. . . 6400 ............. 6280 6280 6360 6360 .............. 6240 6240 6320 6320 6200 6200 6280 6280 MINE OPENING EXTRACTION 6160 6160 6240 ZONE 6240 D2 COAL SEAM 6120 6120 6200 6200 6080 6080 6160 6160 6040 6040 6120 6120 f 100' 100' 6000 6000 5960 5960 5920 5920 5880 5880 6800 6800 7200 7200 6760 6760 7160 7160 � 268' 6720 6720 7120 7120 Y 6680 W 6680 7080 7080 . U .. . . . . . . . . . . . . . 6640 6640 7040 7040 GROUND SURFACE 6600 6600 7000 7000 6560 6560 6960 6960 SUBSIDENCE PERMIT BOUNDARY SECTION D - D/ 6520 6520 S E C T I ❑ N B — B 6920 6920 VERT, AND HOR, SCALE 1" = 100' 6480 6480 6880 6880 SEE MAP NO. 27 FOR LOCATIONS ..... .............. .... .... ... VERT. AND HOR. SCALE 1' = 100' 3 6440 SEE MAP NO, 27 FOR LOCATIONS 6840 6840 6440 � 6400 6400 6800 6800 Q I 6360 � 6360 6760 6760 2 Q 6320 6320 6720- 6720 Z LONGWALL 6280 LIMITED 6280 6680 6680 EXTRACTION 6240 ZONE 6240 6640 6640 RECEIVE . . . . . . . . . . . . . . . . . . . . D2 COAL SEAM 6200 6200 6600 6600 dUl 1 8 2005 MINE DEVELOPMENT OPENINGS D -SEAM 6160 6160 6560 6560 prvsono M'ne`e " "dG'do 100' 100' y 6520 6520 6480 6480 6440 6440 PREPARED FOR: � PROJECT: NOTES: ENGINEER'S CERTIFICATION BOWIE NO. 2 MINE BOB RESOURCES, LTD. Z 3 Update for PR -09 B -Seam J.E.S. 07113105 Mining that would cause subsidence is not permitted under the limited extraction zone. The limited I hereby certify thF61511wa" was done b` TmE: o by me or under db`WF sion and BOWIE NO. 2 MINE Fn 3 Revised as per PR -08, Adequacy L.K.J. 07117103 extraction zone /s created by projecting a 25 degree angle of draw (from vertica /) from the surface` that all of thp�anation ted on P.O. Box 483 SUBSIDENCE SECTIONS 2 Revised as per PR -05, Adequacy Review Subsidence, Item 1 L.K.J. 08114101 this drawin i5' a and co %to the BOWIE RESOURCES, LTD. PAONIA, COIDRADO 81428 1 Revised Dimension Location L.K.J. os /z3/o1 expression of the feature to be protected and then added 900 —feet horizontally. 9 *cft best of my 4gp�v%d ' tea id be Or- ONE INCH No. DESCRIPAON: BY DA 1E • /j PREPARED BY: J. E. STOVER & ASSOCIATES DMG LD. No. DWG. NAME REFERENCES Refer to Volume Ill, Exhibit 95, Section 9.9 Long Term Pillar Stability. James E to .•� P.O. BOX eon DESIGNED BY: c - ss - os3 •e — Gr•nd Jct, CO 81508 Colorado P.E. E. •••_••° KGs• DRAWN BY: L.K.J. 02/o9/01 S MAP NO. 27A ��f0ftlill %• —_ — = CHECKED BY: 1 • = 100' FP 404' - Y w U 0 GROUND SURFACE � 110' OVERBURDEN BOUNDA Y ..................... ...................... POSSIBLE .. . . . ZONE = Ns D2 COAL SEAM Z EX ZONEICIN 2c LON WALL OPENING '580" .................... D -SEAM D -SEAM 100' i f 100' MINE DEVELOPMENT OPENI GS. N 9 T d MINE DEVELOPMENT OPENINGS �qPPkovED 1011-z16 5 � 514' W .............. GROUND SURFACE � � U ............... a pq SUBSIDENCE P PERMIT B BOUNDARY = = �Q 0 Z • �h LONGWALL OPENING D2 COAL SEAM o Q• EXTRACTION d ZONE MINE DEVELOPMENT O OPENINGS D -SEAM 100' i f f 100' i LONGWALL OPENING 950' B -SEAM MINE DEVELOPMENT OPENINGS 5