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USDA United States• Natural Resources GrandTunction Field Office <br />Department of Conservation Crossroads Professional Bldg. <br />Agriculture Service 2754 Compass Drive, Suite 170 <br />(NRCS) Grand Junction, CO 81506-8795 <br />Telephone: (970) 242571 http:Ilwww.co.nres.usda.gov Fax: (970) 242-8469 <br />6-27-2001 <br />Mr. Richard Johnson ~ t'~~~i-~7~I~~k~ <br />United Companies <br />P.O. Box 3609 - "~~~ !? ~ 20U1 <br />Grand Junction CO 81502 <br />Dear Mr. Johnson: <br />Thank you for the opportunity to consult with you regarding the <br />revegetation of United's River Road facility. As you are <br />aware, reclamation of disturbed sites in our area is indeed <br />challenging due to soil restrictions and the lack of <br />precipitation. <br />I have included two primary seed mixes for the upland areas and <br />two special mixes for the areas adjacent to the dewatering <br />ditches on the north and south sides of the pit area. One each <br />of the mixes contains only native species; one of each contains <br />native and adapted introduced species. I would recommend use <br />of the native/introduced species mixes as these have the <br />highest probability of success in our harsh conditions. <br />Based on the soils data you provided and field inspections, I <br />would recommend the following treatments. Seeding should take <br />place on or about November 1: <br />Site 1 (south pit slope): <br />Treat tamarisk along the watercourse with a cut stump treatment <br />of Garlon 4 as per Jude Sirota. Use caution to avoid <br />disturbance of the existing beneficial riparian vegetation, <br />including cottonwood and perennial grasses. Back slope the <br />north side of the water course to a 3:1 maximum slope, seed <br />with the attached wetland/riparian mix (at double the rate for <br />broadcasting), mulch with 4000#/acre tall wheatgrass hay or <br />straw and pack with tracked equipment running up and down <br />slope. <br />Apply 8 Tons/acre unscreened compost from the Mesa County <br />landfill to the south pit slope. Roughen with a disk operating <br />across slope where possible. Apply attached upland seed mix <br />(at double the rate for broadcasting) and 4000#/acre tall <br />wheatgrass hay or straw, pack with tracked equipment operating <br />up and down slope. Trench in a silt fence, installed to <br />The Natural Resources Conservation Service wort hand-In-hand with <br />the American people to wnserve natural resources on private lands AN EQUAL OPPORTUNITY PROVIDER AND EMPLOYER <br />