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S <br />OO 1 <br />0 <br />- -Z-Oaf 2 -2 83 acres o <br />SUBSUfL: I3 €NCH 1 SI.IBSTtTUfiEBSOTIL_ -- <br />tih i <br />61,00 THWES$ <br />h` a <br />5575 -- 18 + ' ` <br />NONE PLACED AS OF JUVE 2010 <br />PERMIT OUNDARY �� c <br />s6 5550 '' P'+S. OIL: -MIXEp TOPSOIL ,ao POND O92D <br />od' THICKNESS STOCKPILE #21 <br />NONE PLACED AS OF JUNE 2010 MIXED TOPSOIL <br />m <br />s ss s 2,740 CY <br />I <br />MI D P <br />ST PI <br />8,5 cy <br />0 <br />hh S000 I <br />h / s IX T P IL <br />+ <br />O <br />0 <br />m <br />m <br />N ,i9 <br />s ZONE 7 -100.6 ACRES <br />SUBSOIL: BENCH 1 SPOIL <br />24 "+ THICKNESS <br />NOT PLACED AS OF JUNE 2010 <br />TOPSOIL: MIXED TOPSOIL <br />-- 12=20" - HICK- NESS-(a 3" A- YG:k_ - - -_ <br />NOT PLACED AS OF JUNE 20110 <br />__5625..._.... <br />Legend <br />Permit Boundary <br />Lo- nc��u:r,er Bosnd�r y <br />Disturbance Boundary <br />Pre -mine Contours <br />5620 <br />Post -mine Contours <br />Zone 6 Topsoil Requirement <br />ss. <br />Existing Mixed Topsoil Stockpiles <br />(Non -Prime Farmland) <br />Stockpile #2: 91410 CY <br />Stockpile #13: 36,750 CY <br />Total 467160 CY <br />21" avg. thickness <br />106.8 acres <br />91/12 x 106.8 x 43560 = 301,532 CY <br />27 <br />Note: Stockpiles for Pond 012 were <br />not included in topsoil calculations. <br />41 <br />5625 <br />Mixed T <br />Stockpile #22: 17,890 CY <br />Zone 7 Topsoil Requirement <br />131V avg. thickness <br />100.6 acres <br />13/12 x 100.6 x 43560 = 175,826 CY <br />27 <br />J�ii <br />iles I pro <br />oM nn N FUELS - COLORADO <br />JUL 0 2 ZA LIMITED LIABILITY COMPANY <br />,'y HORIZON MINE <br />D:J�01, UI I lCGlrll}u 7i1y <br />Box 628, NUCLA, CO. 81424 <br />MAP 2.05.4 -7 WFC, LLOYD, & BENSON <br />WEST PROPERTIES TOPSOIL <br />REPLACEMENT PLAN AS OF JU 7E <br />••R.kM <br />2010 "••o�i G. <br />SCALE: V = 300@ DWG. DAIS: 07/01/10 REV. NO <br />CONT. INTERVAL• ICONT. DATE: M. DATE: •� <br />DRAWN BY: CHKD BY: DWG. NO.: .p <br />Ben Langenfetd, EIT <br />ZONE, 6 -106.8 ACRES <br />SUBSOIL: BENCH 1 SPOIL <br />30 '+ THICKNESS <br />-PLACED AS OF JUNE 2010 <br />-TOP OIL: MIXED TOPSOIL <br />X15-24'(2111 AVG.) THICKNE <br />PLACED AS OF JUNE 2010 <br />Mixed To <br />Stockpile #22: <br />WFC Prime Farmland <br />Zone 8 Topsoil Requirement <br />3811 minimum thickness <br />2.83 acres <br />38/12 x 2.83 x 43560 = 147458 CY <br />17,890 CY <br />WFC Prime Farmland <br />Bench 1 Substitute Subsoil Requirement <br />1811 minimum thickness <br />2.83 acres <br />18/12 x 2.83 x 43560 = 61848 CY <br />27 <br />les <br />WFC Prime Farmland <br />Existinq Mixed Topsoil <br />Stockpile #3: 61210 CY <br />Stockpile #4: 89520 CY <br />Total 149730 CY <br />