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,. ENVIRONMENT, INC.' ~ - PAGE 2 GRAND COUNTY DEPARTMENT DF ROAD & BRIDGE ' SDUrI-I FORK PIT M-2006-029 ~ '. _ JUNE 2, 2006 ~ ~ - ' ~ - .. ~ ~ ' Grand County will salvage any additiona'1 growth medium if more is encountered'from the site for"use .when reclaiming the site- We estimate that it will be minimum of 2250 cy will be heeded to place a cover of 3..0 inches. over the .disturbed area of 5.57 acres ±. If the soil' stockpiles. remain undisturbed for more than one growing season a cover . ~ crop of Crested Wheatgrass will be planted at a rate of 3.0 pls/200 Ftz. At ,this time a vegetative cover exist on the piles.. ' 4. .This was a mistake.- The deposit of. material on this site is ,such that, all the material is usable for making the road maintenance materials coming'.from this site: Even the gravely sandy loam can be used. I believe-the county noted stockpile'areas.for'.overburden and waste rock based on the ' original-iTSFS map.u'sed'as the Reclamation Map in the submit- . tal. The Forest, Service noted where these, materials were to be located,wiihout realizing there would be none. Please disregard this statement. There will be no stockpile of overburden and waste 'rock on the site. ' 5. The depth of.mining.will vary from'0 to 20 feet deep as shown on the' Reclamation Plan Map' revised on 4/20/'06. There is ` litEle':mate`ral iei=t on Ehe previously"min`ed"area on the - north end of the pit and as mining progresses to 'the south we will. mine into the deposit leaving a 2:1 slope on the west and south sides of the-mined area. This creates a mini amphitheater like setting with the floor sloping to the northeast. 6. After looking at the submittal I am assuming that you are referring; to the Hydrologic balance and reclamation stabil- ity statement so I have address those issues on the Mining Plan Addendum;•page attached under the~Water Resources and Sloping Plan headings. ~ ', 7. Please ,refer to the Mining Plan Addendum page- under the Mining Method, ]?roces'sing;Method and Equipment heading. 8. As 'noted 'in response#4 there will be no overburden left on the site'that:could be. used for growth medium. 9. The ..revised Reclamation Map prepared by Environment,, Inc. shows . them to be'2:1 and we would prefer to keep that as .a minimum rate. I realize the Division prefers.3:l since the success ratio of~establishing vegetation'is greater. However, I poiht out Rule 3.1'.5(7) that gives the operator the ability to leave them 2:1 if not associated with a lake." See the Mining Plan Addendumpage; attached under the Sloping Plan head- ing. ..