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USDA Soil Conservation Service <br /> 823 Desert Flower Blvd . <br /> Pueblo, CO 81001 <br /> November 6, 1990 <br /> This is in reference to an on—site investigation done November <br /> 2, 1990 on a clay mine expansion located in the SW1/4 of the <br /> SE1/4 of Section 30 T22S R67W near Beulah , CO. The following <br /> information may be used to revegetate the site . <br /> The site is not prime farmland. The present use is rangeland . <br /> The owner of the land is J . P. Hanratty . General Refracteries <br /> Co . will do the mining and will be responsible for the <br /> reclamation . <br /> Soils information is attached. <br /> The present plant community is dominated by blue grama and a <br /> lesser amount of western wheatgrass . Red threeawn , sand <br /> dropseed, ring muhly , tumblegrass , and japanese brome occur in <br /> trace amounts . Shrubs found on the site are broom snakeweed , <br /> fringed sagebrush, and Gambel oak . A variety of forbs are <br /> found on the site including hairy goldaster, alfileria, plains <br /> pricklypear , aster and buckwheat species . Oneseed juniper and <br /> ponderosa pine also occur on the site . See the attached <br /> inventory for a listing of the vegetation amounts . Present <br /> ground cover is estimated at 25% and jotal annual production <br /> is estimate a 600-800 pounds per acre . air—dry . . <br /> The Soil Conservation Service recommends the following steps <br /> to revegetate the site : <br /> 1) At leas 6 inches of the top layer of soil ^ ahould be <br /> removed and scT—pi e " <br /> 2) After mining is complete and prior to spreading the <br /> topsoil , the arFe <br /> houId' be bank sloped so that no slope is <br /> steeper han a 1 slope . Rough areas should be -smoothed to <br /> permit easia ing an mulching . The area should be <br /> scarified to a depth of 6 inches to permit getter bonding <br /> between the topsoil and the underlying sgil Material . After <br /> scarification, the topsoil should be uniformly spread over the <br /> area. <br /> page 1 of 3 <br />