Laserfiche WebLink
1 <br />z <br />2 <br />3 <br />4 <br />C <br />w <br />ON" <br />PROPOSED SEED MIXES: <br />v <br />COMMON NAME <br />NOTES: <br />G <br />1.) RECLAMATION CONTOURS AS SHOWN ON THE BROWN PROPERTY SHALL TIE INTO THE <br />PLS <br />APPLICATION <br />RATE (Ibs /ac) <br />EXISTING RECLAMATION CONTOURS IN THE GREELEY 35TH AVENUE MINE TO THE EASTAND <br />DRYLAND GRASS MIX) <br />SOUTH. CONTOURS WILL VARY BASED ON GEOLOGIC AND /OR OTHER SITE CONDITIONS. <br />AGROPYRON SMITHII <br />2. A MINIMUM OF 6 -12" OF TOPSOIL WILL BE PLACED ON ALL SLOPES ABOVE THE ASSUMED <br />17.0% <br />HIGH -WATER LINE. RE- VEGETATION SHALL USE SEED MIXES LISTED IN THE TABLE, OR <br />SIDEOATES GRAMA <br />SIMILAR ALTERNATE MIX BASED ON COMMERCIAL AVAILABILITY AT THE TIME OF <br />BUTTE <br />RECLAMATION. ALL SUBSTITUTIONS WILL DETERMINED IN CONSULTATION WITH <br />1.80 <br />QUALIFIED EXPERTS, AND APPROPRIATE TO THE REGION AND SOIL REGIME. <br />BROMUS MARGINATUS <br />3. HIGH WATER LINE IS APPROXIMATE BASED ON AN ASSUMED T FREEBOARD & <br />17.0% <br />GROUNDWATER MONITORING BASELINE DATA. <br />PRAIRIE SANDREED <br />4. SEEDING WILL BE DONE DURING THE FIRST FAVORABLE SEEDING SEASON FOLLOWING <br />F <br />TOPSOIL PLACEMENT. BASED ON A RECOMMENDATION FROM THE ARCS, IT IS <br />0.48 <br />ANTICIPATED THAT SEEDING WILL BE DONE BETWEEN NOVEMBER 1ST AND APRIL 30TH, <br />PANICUM VIRGATUM <br />UNLESS WEATHER CONDITIONS REQUIRE SEEDING OUTSIDETHESE MONTHS. <br />7.0 % <br />5. CERTIFIED WEED -FREE STRAW CRIMPED INTO TOPSOIL WILL BE USED WHERE <br />ALKALI SACATON <br />GRASSES ARE TO BE ESTABLISHED ABOVE THE HIGH -WATER LINE ON RESERVOIR SIDE <br />SLOPES AND THE AREA WILL BE PLANTED INTO ATEMPORARY COVER CROP. <br />0.10 <br />6. ALL PLANT MATERIAL SHALL BE MONITORED FOR DISEASE AND INSECTS. THE CHOICE <br />STIPA COMATA <br />AND VARIETY OF PLANT MATERIAL SHALL MINIMIZE DISEASE, INSECT AND MAINTENANCE <br />13.0% <br />PROBLEMS. DROUGHT TOLERANT, NATIVE OR ADAPTIVE PLANT SPECIES SHALL BE USED <br />NORTHERN SWEETVETCH <br />TO REVEGETATE THE SITE. GRASSES FOR REVEGETATION ARE SPECIFIED IN THE GRASS <br />TIMP. <br />SEED MIX LIST. WEEDS SHALL BE MONITORED AND A WEED MANAGEMENT PROGRAM <br />1.02 <br />SHALL BE IMPLEMENTED UNTIL VEGETATION IS ESTABLISHED. TEMPORARY IRRIGATION <br />E <br />WILL BE PROVIDED IF NECESSARY UNTIL THE VEGETATION IS ESTABLISHED. ALL PLANT <br />5.0 °/ <br />MATERIAL AND LANDSCAPING SHALL BE INSTALLED ACCORDING TO THE GENERAL <br />SCARLET GLOBEMALLOW <br />DESIGN STANDARDS OF THE CITY OF GREELEY LAND USE CODE. <br />ARS2936 <br />7. ANY DISTURBED AREAS NOT DESIGNATED WETLAND OR POND WILL BE SEEDED TO UPLAND GRASSES. <br />C <br />w <br />ON" <br />PROPOSED SEED MIXES: <br />v <br />COMMON NAME <br />SCIENTIFIC NAME <br />VARIETY <br />% OF MIX <br />PLS <br />APPLICATION <br />RATE (Ibs /ac) <br />MESIC /UPLAND AREAS ( <br />DRYLAND GRASS MIX) <br />WESTERN WHEATGRASS <br />AGROPYRON SMITHII <br />ARRIBA <br />17.0% <br />1.74 <br />SIDEOATES GRAMA <br />60UTELOUA 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 V <br />0.87 <br />TOTAL LBS /AC <br />100.0 `% <br />10.43 <br />TRANSITIONAL ZONEM/ATERS EDGE AREAS (TRANSITIONAL ZONE MIX) <br />WESTERN WHEATGRASS <br />AGROPYRON SMITHII <br />ARRIBA <br />10.6% <br />1.45 <br />SIDEOATES GRAMA <br />BOUTELOUA CURTIPENDUTA <br />BUTTE <br />9.2 % <br />1.24 <br />CANADA WILDRYE <br />ELYMUS CANADENSIS <br />MANDAN <br />18.1% <br />2.47 <br />BASIN WILDRYE <br />ELYMUS CINEREUS <br />MAGNAR <br />9.8% <br />1.34 <br />SWITCHGRASS <br />PANICUM VIRGATUM <br />PATHFINDER <br />5.7% <br />0.78 <br />SAND DROPSEED <br />SPOROBOLUS CRYPTANDRUS <br />0.2 % <br />0.03 <br />SCARLET GLOBEMALLOW <br />SPHAERALCEA COCCINEA <br />ARS2936 <br />3.8 % <br />0.52 <br />AMERICAN VETCH <br />VICAAMERICANA <br />42.6 % <br />5.81 <br />TOTAL LBS /AC <br />100.0 % <br />13.64 <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 />r- f �� _ /� 7 -6 -09 <br />TETRA TECH BY ��� ��( ���PPW'��� °" "`III DATE <br />PAMELA FRANCE! HORA, AICP <br />SENIOR PLANNER <br />W <br />7 <br />d <br />0 <br />10 <br />11 <br />GREELEY 35TH AVENUE MINE <br />AMENDMENT TO M- 1977 -036 <br />RECLAMATION DETAILS <br />A PARCEL OF LAND LOCATED IN THE NORTHEAST QUARTER OF SECTION 34, AND A PORTION OF <br />SECTION 35, TOWNSHIP 6 NORTH, RANGE 66 WEST, SIXTH PRINCIPAL MERIDIAN, COUNTY OF <br />WELD, STATE OF COLORADO <br />TETRA TECH <br />w Aetratech.com <br />1900 S. Sunset Street, Ste. 1 -F <br />Longmont, Colorado 80501 <br />PHONE: (303) 772 -5282 FAX: (303) 772 -7039 <br />TO BE PLANTED <br />WITH UPLAND <br />GRASS MIX <br />Mi,1 <br />TRANSITIONAL <br />ZONE/WATER'S EDGE - <br />TO BE PLANTED WITH <br />TRANSITIONAL ZONE MIX <br />CROSS SECTION OF <br />TYPICAL SHORELINE PLANTING DETAIL <br />NOT TO SCALE <br />12 <br />13 <br />14 <br />15 <br />RECLAIMED USES IN DISTURBED AREAS <br />TYPE OF USE <br />ACREAGE <br />RECLAIMED TO UPLAND DRYLAND GRASS <br />145.5± <br />RECLAIMED TO WETLAND OR UPLAND DRYLAND GRASS <br />7± <br />RECLAIMED TO OPEN WATER POND <br />140+ <br />INDUSTRIAL USE AREA <br />53± <br />TOTAL <br />345.5± <br />16 <br />M- PERMIT BOUNDARY <br />4700 <br />_ T , E <br />.. <br />EXIST <br />BAN K FENCE GRA E ZON ATERS EDGE <br />4690 __ - - -TOR OF ING TG TRANSITIONALf. <br />- t - <br />CACHELA <br />POUDRE <br />4680 RIVER. _ _ __.., {- APPROX HIGH _.. <br />,- _ DD,, 7 �� 1 10 _- -Y�"- WATER LINE •_'�.u! <br />�_____ <br />EXISTING ! - - ___. �- 'S 41 THE RED <br />r Y '- RECLAMATION CELL <br />4670 -1____ _ a1. <br />RECLAIM_ - - -- �0' -- DEPTH WILL VARY BASED <br />�1 SLOPE acv ON GEOLOGIC AND /OR <br />4660 - - -- _�. iF17wi�j51=� ! _ ? ¢ OTHER SITE CONDITIONS <br />i <br />g i <br />100 MIN SET3- P - -� - r- ..____. <br />�OM TO OF BANK OF , Ms4IEiRFiy r <br />RIVER TO MININ LIMITS r x 41 i <br />t m <br />4650 D',, <br />-_I <br />EWATE ING <br />TRENCH � <br />4640 <br />i <br />4630 ( t <br />-0 +60 -0 +40 -0 +20 0 +00 0 +20 0 +40 0 +60 0 +80 1 +00 1 +20 1 +40 1 +60 1 +80 2 +00 2 +20 2 +40 2 +60 <br />OPEN WATER POND TYPICAL CROSS - SECTION SCALE IN FEET <br />0 20' <br />MARK DATE DESCRIPTION BY Client: LAFARGE WEST, INC. Project No.: 133- 23511 -08005 <br />1 7 -09 PREPARED MAM .PIOJ't'0C' Designed By: - <br />GREELEY 35TH AVENUE MINE Drawn By: MAIM <br />Checked By: PH <br />AMENDMENT TO M- 1977 -036 <br />EXHIBIT F <br />RECLAMATION DETAILS/ <br />Copyright: Tetra Tech <br />