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<br />1 0 <br />3. Species diversity - Reclaimed areas will achieve a standard of <br />three grasses, one forb and one shrub with relative cover values <br />greater than three percent. The combined relative Importance <br />will not exceed 85 percent and no one species will contribute <br />greater than 40 percent relative importance. <br />4. Seasonal variety requirements will be waived since the proposed <br />species will support the proposed post-mining land use. <br />5. Woody plant density - The live stem success standard will be <br />250 stems per acre on dry sites and 750 stems per acre on wet <br />sites with at least one shrub having a minimum relative cover <br />value of three percent. <br />New Horizon Mine 2 <br />1. Cover - The success standard for irrigated pasture is based on <br />baseline Surveys which indicated a total ground cover of <br />94.5 percent (live vegetation cover of about 72 percent and <br />litter cover of about 23 percent). The success standard for <br />dryland pasture is based on a cover comparison with the <br />established reference area for New Horizon. A cover success <br />standard for irrigated hayland is not applicable because <br />revegetation success is only dependent on production. <br />2. Pr h Land area (this includes the prime farmland <br />area) success standards wi a ase y ar records <br />(1987-199 of other ha an lreC wes a the pro o5ed Permit <br />re a. a lrst year of rec r (1987) indicates a production of <br />tons per acre per year. The success s an ar o <br />jga a as ure areas is 51s,ea on an rva .on ervi e <br />roT e ro r o Soii <br />n m <br />er es. This technical standard will be 4,0 tons per acre per - <br />e success standard or y -will e <br />r Vey a, do _ Tnon SO1t`'>1r4-as. <br />T g e auere potent i 1 production for tie "'Traves i l l a- <br />-?irrarr?ampi-ex -is 625 pounds per acre per year. <br />3. The success standard requirements for species diversity, seasonal <br />variety, and woody plant density on all three proposed slid land <br />use types will be waived since post-mining land uses will be <br />pasture and hayland. <br />The Division proposes to approve these standards. <br />The Division has already approved of the reference area used for the <br />New Horizon 1 area which the applicant has selected based on the <br />requirements of Rule 4.15.7(3). <br />F. The reference areas will be utilized to determine revegetation <br />success in a manner which the Division finds acceptable 4.15.7(4). <br />-2)_