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Tyco <br />i <br />0 <br />�2fJ <br />Irv: <br />LEGEND <br />8400 )1 ) ) / <br />FW <br />PERMIT BOUNDARY <br />SECTION LINE <br />FUTURE PIT MINING LIMITS - BY YEAR <br />TIE -IN BOUNDARY FOR POST MINING TOPOGRAPHY <br />PERMANENT VALLEY FILL - SEE EXHIBIT 21, ITEM 1 <br />HIGHWALL MINING - PROPOSED <br />[� HIGHWALL MINING - COMPLETED <br />ST -A <br />-`ST A' CROSS SECTION LINES - SOUTH TAYLOR <br />(SEE MAP 20B) <br />Note: Refer to Map 45 for details concerning temporary spoil piles. <br />Note: See MAP 41A for sediment ponds and assiciated ditches to be used during mining. <br />E <br />W <br />N <br />E <br />S <br />500' 0 500' 1000' <br />CONTOUR INTERVAL 25 FT. <br />Topo Date October, 2010 <br />Q 1% <br />_ 7100 <br />t <br />7200- <br />—7300 <br />I tl� <br />PROFESSIONAL ENGINEERS CERTIFICATION <br />1, THOMAS C. PETERSON, being a <br />Licensed Professional Engineerin <br />the State of Colorado, do hereby <br />certify that this map has been <br />reviewed by me and is true and <br />correct to the best of my knowledge <br />and relying on other information supplied <br />by experts identified in section 2.03.3 of the <br />Colowyo Coal Company L.P. Permit. <br />♦ ♦ ♦ ♦` ♦`o�PO O uL <br />� .••off Pv, ; a • <br />32257 <br />IzWfa <br />��i� SI �NAL 10 <br />THOMAS C PETERSON <br />P.E. Yo. 2257 <br />IZZ L Zj o <br />DA IL <br />MINE PLAN <br />DEC 15 `x(110 <br />'. *4�61,South Taylor Area <br />SCALE: 1" = 500' <br />• <br />O <br />DATE: 619106 <br />DRWG. BY TCP /ESI <br />Colowyo Coal Company <br />APPROVED BY <br />low • <br />5731 State Highway 13 <br />Meeker, Colorado 81641 <br />DRWG NO. <br />o <br />MAP 23A <br />- <br />-1 <br />No. <br />REVISION <br />DATE <br />BY <br />CHK <br />TR <br />77 <br />Revised HWM Area and To o Update <br />P P <br />10176108 <br />JKS <br />TAT <br />TR <br />81 <br />South Taylor Fill limits, PMT tie -in, and Logo edit <br />07/14/09 <br />TCP <br />TAT <br />TR <br />81 <br />permanent Fill Footprint <br />tP <br />11113109 <br />TCP <br />TAT <br />TR <br />Added ST cross sections lines, updated tope base <br />81 <br />and modified till hatching <br />3128110 <br />TCP <br />TAT <br />TR <br />Revised the West Taylor Permanent Fill and edited the <br />81 <br />Future Pit Mining Limits, update tope, HW polygons, cert. <br />12106110 <br />TCP <br />KRB <br />