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pant Species Diversity <br />Of the 72 non-weedy native plant species found to occur on Limestone Ridge, many, but not all, <br />are presently commercially available and included in the seed mixes developed for the <br />revegetation of the site during and after mining. Of those plants not represented in the seed <br />mixes, and not commercially available, a great many will be reestablished on the site as the <br />topsoil from Limestone Ridge is directly placed on regraded sites, without going through a period <br />of storage that can reduce the viability of plant propagules present in the soil. This "live <br />topsoiling' will be undertaken for the soils occupying the portion of Limestone Ridge that is to <br />be disturbed by mining and is occupied by native species (ie. above the plow line). It should be <br />noted that by far the bulk of the unplowed and primarily native (though extremely heavily <br />grazed) vegetation of Limestone Ridge occurs on the west side, outside the area to be mined. <br />Curry, Robert R. 7962. Geobotanical correlations in the alpine and subalpine regions of the <br />Tenmile Range, Summit County, Colorado. M.S. Thesis., Univ. of Colo. <br />Schimper, A.F.W. 1903. Plant Geography upon a Phytosociological Basis. (Transl. by W.R. <br />Fisher) Oxford: Clarendon Press. 839 p. <br />Thurmann, J. 1849. Essai de phytostatique applique a' la chaine du Jura. Berne. (as cited in: <br />Lundegardh, Henrik. 1949. Klima and Boden in ihrer Wirkung auf das Pflanzenleben. 3rd ed. <br />Gustav Fischer, Jena). <br />Warming, E. 1909. Oecology of Planfs. (Transl. by P. Groom and I.B. Balfour) Oxford: <br />Clarendon Press. 422 p. <br />