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• Section 780.18(b) Continued. Soecies and Amounts of Seed and Seedlings to be Planted Per Acre A potential total of 4 different seed mixtures will be planted on areas to be revegetated: 1) Russel oats will be planted for purposes of spring mulch; 2) Elbon Winter rye will be planted in the fall for mulch; 3) the Kerr Mine Area Seed Mixture set forth in Table 67 will be planted on all areas subjected to mining disturbances; and 4j the Kerr Tipple Area Seed Mixture set forth in Table 68 will be planted on all areas at the Kerr Tipple site. The proposed seed mixtures include some introduced plant species. The two cereal grain species proposed for mulching are exotic species. The vast majority of agronomic plant species are of exotic origin. In fact, Section 816.114 (c) allows for inclusion of annual grains and contemplates the use of these species. Further, use of these species by Kerr Coal has been previously approved by the CMLRD with respect to previous permit applications covering modifications to the existing State Permit 76-13 at both the Marr Mine and the Kerr Tipple Area. Of the 19 species contained in the Kerr Mine Area seed mixture, ]5 are native. The other 4 species are exotic to the area and include: Russian wildrye, dryland alfalfa, yellow sweetclover, and small Burnett. On a pure live seed basis, 96.3 percent of the species to be planted at the Kerr Mine Area are native to the site while 97.2 percent of the species to be planted at the Kerr Tipple Area are considered to be native. According to a computer search run on the Plant Information Network (PIN) program at Colorado State University, all of the exotic species included in the seed mixtures are found naturally in Jackson County and therefore, meet the requirements of species being of the "same seasonal variety" as required by 30 CFR 816.1]]. .• 780-75 aR Revised -October, 1990