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EastForkCollomGulchCollomGulchForkEastWestCreekJubbCOLLOM <br />EXCESS SPOIL <br />STOCKPILE <br />FACILITIES <br />AREA <br />2022 - 2026 <br />HIGHWALL MINING <br />2022 - 2027 <br />HIGHWALL MINING <br />670 Ac. <br />813 Ac. <br />2021 <br />HIGHWALL MINING9 Ac. <br />18 Ac. <br />11 Ac. <br />5 Ac. <br />12 Ac. <br />11 Ac. <br />10 Ac. <br />6 Ac. <br />12 Ac.13 Ac. <br />13 Ac. <br />12 Ac. <br />12 Ac.5 Ac. <br />2021 <br />HIGHWALL MINING <br />2021 <br />HIGHWALL MINING2021 <br />HIGHWALL MINING <br />2019-2021 <br />15 Ac. <br />2022-2027 <br />2022 <br />2023 <br />2024 <br />2026 <br />2029 <br />2028 <br />2022-20292027 <br />2027 <br />46 Ac. <br />57 Ac. <br />63 Ac. <br />72 Ac. <br />39 Ac. <br />53 Ac. <br />128 Ac. <br />135 Ac. <br />92 Ac. <br />19 Ac. <br />2019-2021 <br />91 Ac. <br />COLLOM PIT <br />Sidehill Pond <br />Section 36 Pond <br />Middle Pond <br />Coal Stockpile Pond <br />Section 26 Pond <br />LCG-1 <br />LCG-2 <br />LCG-3 <br />LCG-4 <br />BD-1 <br />BD-2 <br />10+0 <br />0 <br />D-3 Ditc <br />h 0+005+0010+0015+006+23 <br />5+00D-1 Ditch5 <br />+ <br />0 <br />0 <br />35+00 D-4 Ditch5+ <br />0 <br />0 10+0015+0020+0025+0030+000 <br />+ <br />0 <br />0 <br />0+00 <br />5 <br />+ <br />0 <br />0 <br />10 <br />+ <br />0 <br />0 <br />15 <br />+ <br />0 <br />0 <br />20 <br />+ <br />0 <br />0 <br />25 <br />+ <br />0 <br />0 <br />30+00 <br />35+00 <br />37+41 LOWER BEAR DRAWMIDDLE BOBCAT DRAWLOWER BOBCAT DRAW0+00 <br />5+00 <br />7+61 <br />0+00 <br />4+95 <br />0+00 <br />5+0 <br />0 <br />D- <br />2 <br /> <br />D <br />i <br />t <br />c <br />h <br />0+005+009+1730+0031+080+ <br />0 <br />0 <br />5+ <br />0 <br />0 <br />1 <br />0+ <br />0 <br />0 <br />1 <br />5 <br />+ <br />0 <br />0 <br />2 <br />0+ <br />0 <br />0 25+003 <br />0+ <br />0 <br />0 <br />35 <br />+ <br />0 <br />0 <br />40+0 <br />0 <br />45+00 <br />50+ <br />0 <br />0 <br />52+ <br />1 <br />6 <br />10 <br />1211 <br />3 2 1 <br />3534 <br />26 25 <br />36 <br />0'400'800'Perimeter Area Sediment Control Techniques <br />(See Exhibit 7-23H) <br />CONTOUR INTERVAL 25 FT. <br />LEGEND <br />S <br />N <br />EW <br />June 2021 Topography <br />Excess Spoil Pile <br />Collom Haul Road Pavement <br />TR-147 4/26/21 TONY LESRevised Highwall Mining Blocks/Timing, Updated Topo <br />I, LEE E. SAMPSON, hereby certify that this <br />map has been reviewed by me and is true <br />and correct to the best of my knowledge and <br />information, relying on information supplied <br />by experts employed by Colowyo Coal <br />Company or qualified consultants working <br />for Colowyo Coal Company, and that I am a <br />Professional Engineer licensed in Colorado as <br />required by the provisions of C.R.S. <br />12-25-101 through C.R.S. 12-25-119. IN <br />ENGINEERS CERTIFICATION <br />WITNESS WHEREOF, I have hereunder set <br />my hand and affixed my seal. <br />4/28/22 <br />32 33 34 35 31363334363531 <br />1211 <br />14 13 <br />2423 <br />26 25 <br />19 <br />30 <br />20 <br />29 <br />18 <br />8 <br />28 <br />21 <br />27 <br />22 <br />16 <br />10 <br />31 32 33 34 <br />56 <br />7 8 <br />18 17 14 13 <br />12 <br />35 <br />1 <br />36 <br />35 36 <br />26 <br />23 <br />25 <br />24192022 <br />27282930 <br />32 33 34 <br />1517 <br />9 <br />3433 <br />27 <br />22 <br />28 <br />21 <br />3635 31 <br />2526 <br />2423 <br />15 <br />10 <br />16 <br />9 <br />4 <br />1314 <br />1211 <br />3 2 1 <br />33 <br />28 <br />363534 <br />27 26 25 <br />16 <br />21 <br />9 <br />242322 <br />15 14 13 <br />121110 7 <br />234 <br />9 10 11 <br />1516 <br />21 <br />T3N <br />MOFFAT CO. <br />T5N <br />T4N <br />T4N <br />T3N <br />T3N <br />R94WR93WR93WR92WRIO BLANCO CO. <br />Coordinates in NAD 27 Colorado North Zone, US Foot <br />TR-147 5/18/21 TONY LESRevised Highwall Mining Blocks <br />TR-154 4/28/22 TONY LESAdjusted Mining Blocks and Timing, Revised Excess Spoil Pile <br />Sediment Pond <br />Temporary ChannelSection Line <br />Previously Mined Areas <br />Current Mining Areas <br />Permit Boundary <br />Roads <br />Facilities or Buildings <br />Highwall Mining Areas (Completed) <br />Current Highwall Mining Areas <br />SCALE:1" = 400' <br />DATE:5/19/08 <br />DRWG. BY:TCP-RWF/ESI <br />APPROVED BY: <br />DRWG NO. <br />REVISIONNo.DATE BY CHK <br />Map 23BColowyo Coal Company <br />5731 State Highway 13 <br />Meeker, Colorado 81641 <br />Collom Pit <br /> Mine Plan <br />COAL <br />COMPANYSAFETY-PEOPLE-PRODUCT I O N -E N E R G Y <br />KB <br />Disturbance Boundary <br />(Upper Seams Only to Date) <br />Little Collom Permanent Valley Fill <br />Updated Topography, Added Valley Fill