Proceedings : research and management of bitterbrush and cliffrose in western North America, Salt Lake City, Utah, April 13-15, 1982 - Utah State University. (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1983)

Proceedings : Sagebrush Steppe Ecosystems Symposium : Boise State University, Boise, Idaho, June 21-23, 1999 - DeBolt, Ann (U.S. Department of the Interior, Bureau of Land Management, Idaho State Office, 1999)

Proceedings, Symposium on Cheatgrass Invasion, Shrub Die-off and Other Aspects of Shrub Biology and Management : Las Vegas, NV, April 5-7, 1989 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1990)

Proceedings-Symposium on Plant-Herbivore Interactions : Snowbird, Utah, August 7-9, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1987)

Proceedings–Symposium on Shrub Ecophysiology and Biotechnology, Logan, Utah, June 30-July 2, 1987 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1989)

Proceedings : Symposium on the Biology of Artemisia and Chrysothamnus : Provo, Utah, July 9-13, 1984 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, Forest Service, U.S. Dept. of Agriculture, 1986)

Proceedings, Western Forest [sic] Nursery Council-Intermountain Nurseryman's Association combined meeting, August 14-16, 1984, Coeur d'Alene, Idaho - Landis, Thomas D. (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : draft - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2005)

Programmatic environmental impact statement vegetation treatments using herbicides on Bureau of Land Management lands in 17 western states : final - United States. Bureau of Land Management. (U.S. Dept. of the Interior, Bureau of Land Management, 2007)

Progress report environmental programs, 1978 : White River Shale Project, federal prototype oil shale leases U-a and U-b - White River Shale Project. (White River Shale Project, 1979)

The pronghorn antelope : its range use and food habits in Central Montana with special reference to wheat - Cole, Glen F. (Montana Fish and Game Dep't, 1958)

Proposed Caliente management framework plan amendment and final environmental impact statement for the management of desert tortoise habitat - United States. Bureau of Land Management. (Bureau of Land Management, 1999)

Proposed resource management plan and final environmental impact statement for public lands administered by the Bureau of Land Management Rawlins Field Office, Rawlins, Wyoming - United States. Environmental Protection Agency. (U.S. Department of the Interior, Bureau of Land Management, Rawlins Field Office, 2008)

Protecting and enhancing America's forests and rangelands : 1986 research accomplishments - United States. Forest Service. (U.S. Dept. of Agriculture, Forest Service, 1987)

The protection of lawn and turf grasses, 1979-April 1991 : citations from AGRICOLA concerning diseases and other environmental considerations - National Agricultural Library (U.S.) (U.S. Dept. of Agriculture, National Agricultural Library, 1991)

Prototype oil shale leasing program management report, 1974-1979 / by Staff, Area Oil Shale Office, U.S. Geological Survey - Geological Survey (U.S.). Area Oil Shale Supervisor's Office. (U.S. Department of the Interior, Geological Survey, Area Oil Shale Office, 1980)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1890)

A provisional host-index of the fungi of the United States - Farlow, W. G. (William Gilson), 1844 -1919 (1888)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1880)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1965)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1971)

Psyche - Cambridge Entomological Club. (Cambridge Entomological Club, 1978)

Publication. Field Museum of Natural History Anthropological series - Field Museum of Natural History. (The Museum, 1936)

Publication / the Herbarium, Department of Biological Sciences, University of California, Santa Barbara - University of California, Santa Barbara. (the Herbarium, 1986)