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1 <br />EXHIBIT E <br />1 ~~` United States Soil 9595 Nelson Road, Box D <br />i i Department of Conservation Longmont, CO 80501 <br />' Agriculture Service February 10, 1989 776-4034 <br />~~ <br />1 ~ ~:. -~ <br />Mr. Ron Allingham <br />Tuttle, Applegate, Rindahl, Inc. <br />' 1V990 Grant Street, Suite 410 <br />Denver, CO 80233 <br />' Dear Mr. Allingham: <br />Based on the soils which are present on the proposed mining site, I <br />have developed the following seeding recommendation: <br />' Species °s of Mix *PLS/Ib/ac Lbs/ac <br />Switchgrass 25 x 4,5 1.13 <br />' Western wheatgrass 30 x 16,0 4,8 <br />Alkalai sacaton 45 x 1,5 .7 <br />*Pure Live Seed <br />1 The above seeding rates assume that a drill will be used for seeding. <br />11'a broadcast method is planned, the seeding rates should be doubled. <br />' Seeding should be completed between November 1 and April 30. <br />In order to ensure a successful planting, some type of mulch or <br />' temporary cover crop should be used. Soil Conservation Service <br />uses a sorghum cover crop planted in June with grass being drilled <br />directly into the sorghum in November. However, a straw mulch <br />can be effective if weed seeds are not present. <br />Soils should be tested for primary nutrients nitrogen, phosphorous, <br />and potassium, and fertilizer applied accordingly. <br />' Sincerely, G <br />' Da~a~rr s ``L~ <br />Soil Conservationist <br />' C~H:rah <br />