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SH~.VAf~~ SOIL CO:' .=3VA'~ION DiSTR:~; _ <br />P. O. fiOX 582 <br />MONTROS E. COLORADO 87401 <br />Robert ''. Lucas Ja nuary, 17, 1977 <br />State department of Highways <br />a, 0. Box 2107 <br />Grand Junction, Colorado 81501 <br />re •- Project !lDPF 050-2(5) <br />West Side of Cerro Summit <br />Aellpardt S?nit <br />Dear Sir: <br />Soil Conservation Service personnel examined the site identified above as per <br />your request of Decea~er 197b. viir report is based on their findings. <br />For the most part, the soil everlyinp the gravel deposits is thin and rocky. <br />We de not consider this suitable material to stockpile and spread over the area <br />when excavation is finished., The one exceation is the soil material north of the <br />present excavation in the vicinity of your test pit ff5, This is a sandy loam <br />about ten feet thick and relatively rock free. It is the opinion of SCS that <br />this body of soil is not extensive enough to cover the entire gravel pit one foot <br />deep when all ?ravel has been removed. <br />The site fits the SCS definition of pinyon-juniper woodland, These two tree <br />pecies constitute the overstory while the following, list of plants were <br />identified in the understory: <br /> big sate brush - <br /> serviceber:,; <br /> mountain inahoeany _ <br /> prickly pear cactus <br /> snakPweed <br /> _ <br />Douglas rabhitbrush <br /> galleta Brass ' <br /> bottlehrush scuirreltail grass <br /> beardless wheatarass <br /> cheat~;rass - <br /> mat renstomen <br /> hairy gold aster <br /> Note than all plants are drouehth resistant species. This tells <br />>:. us that moisture is low during the ~rm.,rino season, and suggests <br />1 44t that there will be'some difficulty in re-establishing vegetation. <br />'' "' <br />S Present ground cover in adjacent undisturbed areas is but 15%. <br />', <br />~ <br />~- <br />f For that land on which stockpiled material'wi11 be spread, the <br />- 0 following species are recommended for re-vegetation and seed is <br />~, readily available: <br />4 <br />QJ rass western wheat~±rass - <br />crested wheat <br />{ a <br />:r- rubescent wheat~rass yellow blossom sweet clover ~ ~. <br />Expect Russian thistle, snake:+eed, cheat ^rass, big sage hrush and <br />rabhitbrush to invade the site. per natural revegetation will <br />occur, but vzry 51ow~y. (~ ~_,r-s ~A , <br />