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2015-08-19_PERMIT FILE - M1997065
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2015-08-19_PERMIT FILE - M1997065
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Last modified
8/24/2016 6:10:03 PM
Creation date
8/20/2015 4:28:56 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
M1997065
IBM Index Class Name
Permit File
Doc Date
8/19/2015
Doc Name
Responses to Adequacy Review
From
Stone Wholesale Inc
To
DRMS
Email Name
MAC
Media Type
D
Archive
No
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EXHIBIT E — RECLAMATION PLAN <br />STONE WHOLESALE, INC. AMNEDMENT <br />Final grading of the reclaimed area will blend into the surrounding terrain to insure a look that is as close <br />to the original terrain and vegetative community as possible. It is projected that the overall grade will be <br />10' to 15' lower in places than it was before the excavation was started because that is the depth of the <br />Brownstone to be removed. In areas where the grading must be sufficient to re-establish historic <br />drainage basins, excess rubble and overburden will be used to raise drainage pathways before topsoiling <br />and seeding begin. The slope will have a gradual drainage, of maximum 5 to 10 degrees from horizontal, <br />to the south while maintaining a wandering effect as it currently exists. <br />Poudre Valley Canal runs west to east through the approximate middle of the permitted 66.18 acres. <br />The current Stormwater Plan holds stormwater from the north in retention basins. The final reclamation <br />grading will allow stormwater to flow north to south into the Poudre Valley Canal once vegetation is <br />established as it has historically done. The Larimer County Canal runs west to east 80' south of the new <br />4.4 acre permit amendment. The current Stormwater Plan holds Stormwater from south of the Poudre <br />Valley Canal in retention basins and also proposes a 4' to 5' high overburden berm for insurance against <br />runoff from an extremely sever storm event from entering the Larimer County Canal. The final <br />reclamation grading will allow stormwater from south of the Poudre Valley Canal to enter the Larimer <br />County canal, as it has historically done, once vegetation is established and the berm is removed. <br />Plantings will include rabbit brush and sage brush. Cottonwood trees are in the lowest elevation along <br />the southwest border of the amendment area but they will not be impacted by the mining further north. <br />A few of the cottonwoods further north will be saved if possible but will be replanted in the reclamation <br />if it is necessary to remove them. Currently Chinese Elm trees are scattered around randomly and will be <br />replaced in appropriate areas to recreate the current landscape. <br />Grazing is the intended use of the affected land after the reclamation plan is completed. The area <br />surrounding the Brownstone Quarry is currently used for grazing. <br />Due to the various size, color and texture of Brownstone in different areas of the quarry, the areas to be <br />worked remain open until the stone is completely depleted. The depleted area is backfilled with rubble <br />and overburden then graded to a rough finish. Final grading, topsoiling and seeding are withheld until <br />the end of the operation is in sight as premature final reclamation can possibly have to be redone if the <br />area is needed for stockpiling or roadways to other operational areas. The process is slow to develop as <br />an area that is being worked is used in response to specific orders and trends in the market demand. <br />Many areas in the quarry remain open or remain untouched as extraction of the Brownstone depends <br />on market demand and customer tastes and trends. The same approach will be used in the amendment <br />area so the first step rough grading of reclamation is done in spotty areas as the situation allows. <br />However, the amendment area is expected to yield larger blocks and if this proves to be true, a more <br />consistent approach to reclamation will result from the extraction of reliably larger blocks of raw <br />material. Areas of about 75' x 75' x 15' of sandstone will be excavated and rough graded sequentially <br />moving to adjacent areas generally running from north to south. One of the 75' x 75' x 15' deep sites can
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