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0 <br />H-G Mine <br />Permit No. C-80-003 <br />d) Species Diversity <br />Data for species diversity on the reclamation will be <br />obtained directly from the herbaceous cover figures. A list <br />of plant species noted in samples and observed during the <br />course of field work will also be compiled. <br />4) Bond Release Criteria <br />a) Herbaceous Cover <br />The mean of absolute cover for herbaceous plants from the <br />reclamation will be within 90$ or greater of the weighted <br />mean of absolute cover for herbaceous plants on the reference <br />areas with 90$ confidence using the one tailed t-test. Cover <br />of noxious weeds will not be counted toward the success <br />standard. Annual or biennial plant species will contribute no <br />more than 10$ of the relative cover figures toward bond <br />release. <br />b) Herbaceous Production <br />The mean of herbaceous plant production from the reclamation <br />will be within 90$ or greater of the weighted mean herbaceous <br />plant production for herbaceous plants on the reference areas <br />with 90$ confidence using the one tailed t-test. The data <br />will not include production estimates for woody plants, <br />noxious weeds or annuals. Biennials can contribute no more <br />than 10~ percent of the production data for the reclamation. <br />c) Shrub Density <br />The approved post-mine shrub density standard for the H-G <br />Mine reclamation, other than the designated shrub enhancement <br />areas, is 200 stems per acre. <br />d) Species Diversity <br />The approved species diversity standard for the H-G Mine <br />reclamation is four cool season grasses and one forb with <br />relative percent cover of these species not to exceed 75$ of <br />the total. One single species shall have no greater than 40$ <br />relative cover. <br />