Umatilla National Forest (Agency : U.S.)2008-06-302008-06-302007-06https://hdl.handle.net/1794/6764794 pp. Tables, figures, maps, glossary, references, index, appendices, illus. Captured June 13, 2008.Proposes to fight increase of fire hazards, fish and wildlife habitat degradation, the elimination of rare and endangered plants, water quality and watershed impairment, and adverse affects on scenery and recreational opportunities, by controlling, containing or eradicating invasive plants on nearly 25,000 acres. Among the 24 different invasive plant species are spotted and diffuse knapweed, yellow starthistle, leafy spurge, dalmation and yellow toadflax, scotch thistle, and rush skeletonweed. Alternatives include bans on broadcast spraying of herbicide in riparian areas and for aerial applications.10616326 bytesapplication/pdfen-USForest management -- Umatilla National Forest (Or. and Wash.)Invasive plants -- Control -- Umatilla National Forest (Or. and Wash.)Other