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Section 816.112 (a) Continued. brome ranked fifth, and desert wheatgrass ranked fourteenth. Of the forbs, alfalfa produced the highest plant cover. Cicer milk- vetch also produced an abundance of cover. These two forbs are included in the proposed seed mixture because native legumes cannot be expected to provide adequate erosion control and forage produc- tion. After four growing seasons, Sims (1977) reported the results of 25 grass and 19 forb species seeded on test plots in the Piceance Basin. The best producing grass was pubescent wheat-grass, the third best was meadow brome, fourth best intermediate, seventh best desert, ninth best was smooth brome. Timothy ranked 21st. Among the legumes, alfalfa ranked second, while Cicer milkvetch ranked fifth. Pferkel, et. al. (1974) reported that of ten species planted at Meeker, the best performing species ioere intermediate and pubescent wheatgrasses. Only western wheatgrass of the native species planted could be considered successful. Upon evaluating the establishment of various plants seeded on unleveled spoils at the Seneca P1ine, Berg (1975) found that of the species planted, orchardgrass produced the highest frequency based upon the amount of seed planted. Following orchardgrass, in de- scending order, were desert wheatgrass, smooth brome, and alfalfa. Additional field trials by the SCS and Energy Fuels on Energy Pline No. 1 found the species most suitable for erosion control on reclaimed lands were meadow brome, smooth brome, and intermediate wheatgrass. Cicer milkvetch also performed exceptionally. (b) The species are necessary to achieve a quick, temporary, and stabilizing cover that aids in controlling erosion; and measures to • establish permanent vegetation are included in the approved plan sub- : ~ mitted under Sections 780.18 (b)(3) and Section 780.23. 816-145