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F <br />C <br />E <br />I <br />l <br />I <br />0 150' 300' 600' <br />LEGEND: <br />FLOOD PLAIN INFORMATION: <br />FLOOD PLAIN INFORMATION TAKEN FROM MAP <br />PAGE NO.4 OF THE FLOOD PLAIN INFORMATION <br />STUDY CACHE LA POUDRE RIVER, PREPARED <br />NOVEMBER 1999 AND UPDATED JULY 2003. <br />ADOPTED AND APPROVED BY THE GREELEY CITY <br />COUNCIL AUGUST 2003. <br />NOTES: <br />1.) MINING CELL LOCATION, LIMITS AND CONTOURS ARE CONCEPTUAL AND WILL <br />VARY DUE TO GEOLOGIC AND /OR OTHER SITE CONDITIONS. <br />2.) MINING ON THE LAFARGE BROWN PROPERTY SHALL TIE INTO THE EXISTING <br />GREELEY 35TH AVENUE MINE TO THE EAST AND SOUTH. <br />3.) TOPSOIL AND OVERBURDEN SHALL BE TEMPORARILY STORED IN PILES DOWN IN <br />THE MINING CELLS UNTIL IT IS USED TO RECLAIM THE CELLS, ANY TOPSOIL OR <br />OVERBURDEN PILE THAT WILL BE LEFT IN PLACE FOR OVER 180 DAYS WILL BE <br />STABILIZED FROM WIND AND WATER EROSION WITH VEGETATIVE COVER. SEE SEED <br />MIX BELOW. <br />SEED MIX FOR TOPSOIL /OVERBURDEN PILES: <br />e <br />GREELEY 35TH AVENUE MINE AMENDMENT TO M- 1977 -036 <br />MINING PLAN <br />COMMON NAME <br />ORIGINAL M -1977 -036 <br />VARIETY <br />PERMIT BOUNDARY <br />PLS <br />APPLICATION <br />RATE (Ibs /ac) <br />AMENDED PERMIT BOUNDARY <br />- - - <br />- , <br />- -, - -. RAILROAD <br />ARRIBA <br />SECTION LINE <br />1.74 <br />EXISTING VEGETATION <br />____. _._ ................ <br />WATER <br />17.5% <br />rv-STREET RIGHT -OF -WAY <br />- -4920- <br />- EXISTING CONTOURS <br />4568 <br />PROPOSED CONTOURS <br />1.74 <br />PRAIRIE SANDREED <br />EASEMENTS <br />- - - - - <br />CONVEYOR <br />0.48 <br />POUDRE RIVER TRAIL <br />II <br />PATHFINDER <br />K xx <br />x EXISTING FENCE LINE <br />-G - <br />EXISTING GAS LINE <br />+ <br />EXISTING MINING CELL BOUNDARY <br />0.10 <br />PROPOSED MINING CELL BOUNDARY <br />STIPA COMATA <br />PLANT SITE AREA <br />13.0% <br />1.29 <br />MONITORING WELLS <br />- •- • -• -•- <br />2003 ARMY CORPS FLOODWAY (FW) <br />- - - - - <br />- 2003 ARMY CORPS 100 YEAR FLOOD <br />ROCKY MTN PENSTEMON <br />PLAIN (FP -1) <br />FLOOD PLAIN INFORMATION: <br />FLOOD PLAIN INFORMATION TAKEN FROM MAP <br />PAGE NO.4 OF THE FLOOD PLAIN INFORMATION <br />STUDY CACHE LA POUDRE RIVER, PREPARED <br />NOVEMBER 1999 AND UPDATED JULY 2003. <br />ADOPTED AND APPROVED BY THE GREELEY CITY <br />COUNCIL AUGUST 2003. <br />NOTES: <br />1.) MINING CELL LOCATION, LIMITS AND CONTOURS ARE CONCEPTUAL AND WILL <br />VARY DUE TO GEOLOGIC AND /OR OTHER SITE CONDITIONS. <br />2.) MINING ON THE LAFARGE BROWN PROPERTY SHALL TIE INTO THE EXISTING <br />GREELEY 35TH AVENUE MINE TO THE EAST AND SOUTH. <br />3.) TOPSOIL AND OVERBURDEN SHALL BE TEMPORARILY STORED IN PILES DOWN IN <br />THE MINING CELLS UNTIL IT IS USED TO RECLAIM THE CELLS, ANY TOPSOIL OR <br />OVERBURDEN PILE THAT WILL BE LEFT IN PLACE FOR OVER 180 DAYS WILL BE <br />STABILIZED FROM WIND AND WATER EROSION WITH VEGETATIVE COVER. SEE SEED <br />MIX BELOW. <br />SEED MIX FOR TOPSOIL /OVERBURDEN PILES: <br />e <br />GREELEY 35TH AVENUE MINE AMENDMENT TO M- 1977 -036 <br />MINING PLAN <br />COMMON NAME <br />SCIENTIFIC NAME <br />VARIETY <br />% OF MIX <br />PLS <br />APPLICATION <br />RATE (Ibs /ac) <br />MESIC /UPLAND AREAS (DRYLAND GRASS MIX) <br />WESTERN WHEATGRASS <br />AGROPYRON SMITHII <br />ARRIBA <br />17.0% <br />1.74 <br />SIDEOATES GRAMA <br />BOUTELOUA CURTIPENDUTA <br />BUTTE <br />17.5% <br />1.80 <br />MOUNTAIN BROME <br />BROMUS MARGINATUS <br />BROMAR <br />17.0% <br />1.74 <br />PRAIRIE SANDREED <br />CALAMOVILFA LONGIFOLIA <br />GOSHEN <br />1.0% <br />0.48 <br />SWITCHGRASS <br />PANICUM VIRGATUM <br />PATHFINDER <br />7.0 % <br />0.67 <br />ALKALI SACATON <br />SPOROBOLUS AIROIDES <br />1.0% <br />0.10 <br />NEEDLE AND THREAD <br />STIPA COMATA <br />13.0% <br />1.29 <br />NORTHERN SWEETVETCH <br />HEDYSARUM BOREALE <br />TIMP. <br />10.0 % <br />1.02 <br />ROCKY MTN PENSTEMON <br />PENSTEMON STRICTUS <br />BANDERA <br />5.0 % <br />0.46 <br />SCARLET GLOBEMALLOW <br />SPHAERALCEA COCCINEA <br />ARS2936 <br />3.0 % <br />0.26 <br />PRAIRIE WILDROSE <br />ROSAARKANSANA <br />8.5 % <br />0.87 <br />TOTAL LBS /AC <br />100.0 % <br />10.43 <br />CERTIFICATION: <br />THIS MAP WAS PREPARED BY LAFARGE WEST, INC. AND TETRA TECH. LAFARGE WEST, INC. WILL <br />KEEP THE DIVISION OF RECLAMATION, MINING & SAFETY INFORMED OF ANY CHANGES TO THE <br />MINING OR RECLAMATION PLANS THROUGH ANNUAL REPORTS AND FILE TECHNICAL REVISIONS <br />AND AMENDMENT APPLICATIONS AS NECESSARY THROUGHOUT THE LIFE OF THE MINE. <br />12 -11 -09 <br />TETRA TECH BY DATE <br />PAMELA FRANCH HORA, AICP <br />SENIOR PLANNER <br />4700 <br />4690 <br />4680 <br />4670 <br />4660 <br />4650 <br />4640 <br />4630 <br />-0 +60 <br />PERMIT BOUNDARY <br />r - <br />I��rl <br />I� <br />-0 +40 -0 +20 0 +00 0 +20 0 +40 0 +60 <br />TYPICAL MINING CROSS - SECTION <br />TETRA TECH <br />www.tetratech.com <br />1900 S. Sunset Street, Ste. 1 -F <br />Longmont, Colorado 80501 <br />PHONE: (303) 772 -5282 FAX: (303) 772 -7039 <br />0 +80 1 +00 1 +20 <br />SCALE IN FEET <br />0' 20' <br />1 +40 1 +60 <br />� <br />f 1 _ <br />o.AS hALT',, q$L� '�. t <br />b Gi 1l,,;. <br />7i)))'' \":� '' ❑- tO`"-�P�=,c''I I I fsRES4 r �4goi v NT \ i 1 I4 cxA <br />¢ 1 c� ?, i ' CRU hlthlG fi� <br />_„t J � .n, `. , �•_-.. >� �.., �gip hTLf �VCL Y <br />l --.„ PLANT ;«. <br />III <br />!OODUCT <br />'^^.ate "hY" F•�� ` _ �b k i?, `u'�xi �. ,,II 'tJ ��' �,,.. 'I •, / 'ter., If TM , <br />t <br />LorA- o COTTONWOOD <br />11.egcaes LAND AND <br />Ei ,a_uv.' 'If FARMS LTD <br />tP6 <br />i� <br />_.. �� \ �`.° ��"�, �.� �� - -_. iati t" {'iT OF wAY <br />83 JO1NT '7'z� �t / <br />VENTURES, CLC <br />AGGREGATE r �°• <br />\ INDUSTRIES-WCR <br />IND <br />v L I�lu MW-35TFV T° F STREET <br />P ERTY LLC <br />\ 71 b . 11 <br />\ WILLIAM A. <br />V DOROTHY E. ❑ <br />\ \ STREET F RODMAN I <br />_ _ _ <br />WILLIAM A. & SHARON K. KILLEBREW <br />1\ AND LARRY L. & PATRICIA A. CARSON <br />I I <br />MARK DATE I DESCRIPTION <br />1 7 -09 PREPARED <br />2 10 -16 -09 REVISED <br />3 12 -11 -09 REVISED <br />BY Client: LAFARGE WEST, INC. <br />MAM Proj. Loc.: <br />MAM GREELEY 35TH AVENUE MINE <br />MAM <br />AMENDMENT TO M- 1977 -036 <br />EXHIBIT C <br />MINING PLAN <br />Project No.: 133 - 23511 -08005 <br />Designed By: -- <br />Drawn By: MAM <br />Checked By: PH <br />3 <br />Copyright: Tetra Tech <br />