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~~ ADDENDUM - Indian Springs Ranch Incorporated (ex Indian Springs Milling and Mining) (Bernie and Sylvia Thorson, cwners) Application for; Limited Impact Operation Gypsum Quarry Freemont County, Colorado Type of Mining Operation Quarrying will extract less than 70,000 tcr.s cf mineral, over- burden or combination thereof per calendar year. Reclamation of Access; Road The access road from the 10 acre quarry site (which is approx- imately 1500 ft.. long and extends in a northeasterly direction) joins an existing road north of Six Mile Creek and is now in I.~` existence but u;;ed on a limited basis. p.i L.~ ~?~'~~,1'.~'~This road will be improved far use during the quarrying i-~~ operation, The final use of this road after cessation of ~,,1 '~~ quarrying operations will be left for access; compatible with the surrounding area. It is anticipated that limited reclam~tinn of i:he road will be necessary. During the quarry life this road will 'Ge improved to allow for drainage and there will be no additional work necessary for drainage after quarry cessation. Stabilization of Top::oil Stockpile The area designated as stockpile is in the northwest corner of the pex7nit area site. This stockpile area will be contained by a drainage area to prevent runoff from the quarry entering the stockpile, The present quarry area contains large boulders _~,r"' and rubble. This n•aterial will be placed on the top of the soil stockpile t:o inhibit wind and water erosion. The surface <~~, `area will be similar to the existing surface condition and ~' ;~\'; "; ~ natural growth will be promoted. ,~ ,, _ ion, 4 z; V. , x ~,,.~ ,. .y:,`'` Landslide and Slope 7:n stability The first five }ears of quarry operations will expose a limited amount of ind~e~P.t:h gypsum. The benching will vary from 20-40 ft. at a slope o~ 1:1. This .is a more gradual slope than exists in some areas`'ittw!~ ~ " ` ' ~ ~'f. "' ~ f ~ `, ~ ~.. , z Jr' ~ % ~ INM-NCQ