Predicting regeneration establishment with the prognosis model - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1993)

Predicting site index and height for selected tree species of northern Idaho - Intermountain Research Station (Ogden, Utah) (U.S.D.A. Forest Service, Intermountain Research Station, 1986)

Predicting slash depth for fire modeling - Intermountain Forest; Range Experiment Station (Ogden, Utah) (Intermountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1978)

Predicting the effect of fire on large-scale vegetation patterns in North America - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1996)

Predicting wood volumes for ponderosa pine from outside bark measurements - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1976)

Preliminary burning prescriptions for ponderosa pine fuel reductions in southeastern Arizona - Harrington, Michael G. (USDA Forest Service, Rocky Mountain Forest and Range Experiment Station, 1981)

Preliminary classification for the coniferous forest and woodland series of Arizona and New Mexico - Schubert, Gilbert Herman, 1915 - (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1979)

A preliminary classification of the plant communities of northeastern Montana - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

A preliminary classification of the Rocky Mountain shrubland communities of Alberta - Alberta. Alberta Environment. (Alberta Environment, 2000)

Preliminary plant associations of the Siskiyou Mountain Province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, 1984)

Preliminary plant associations of the Southern Oregon Cascade Mountain province - Atzet, Thomas. (U.S.D.A. Forest Service, Pacific Northwest Region, Siskiyou National Forest, 1990)

Preliminary site index curves for noble fir from stem analysis data - Pacific Northwest Forest; Range Experiment Station (Portland, Or.) (Pacific Northwest Forest and Range Experiment Station, U.S.D.A. Forest Service, 1970)

Prescribed fire and cattle grazing influences on the vegetation and elk use of a rough fescue community - Jourdonnais, Craig S. (1985)

Pretty Tree Bench vegetation project : final environmental impact statement - Escalante Ranger District (Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Region, Dixie National Forest, Escalante Ranger District, 2000)

Price projections for selected grades of Douglas-fir, coast hem- fir, inland hem-fir, and ponderosa pine lumber - Pacific Northwest Research Station (Portland, Or.) (U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, 1992)

Proceedings : 20th Southern Forest Tree Improvement Conference, June 26-30, 1989 Charleston, South Carolina - Southern Forest Tree Improvement Committee. (Southern Forest Experiment Station, USDA Forest Service, 1989)

Proceedings, 22nd Southern Forest Tree Improvement Conference, June 14-17, 1993, Atlanta, Georgia - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1993)

Proceedings, 23rd Southern Forest Tree Improvement Conference, June 20-22, 1995, Asheville, North Carolina - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1995)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1968)

Proceedings and transactions of the British Entomological and Natural History Society - British Entomological; Natural History Society. (British Entomological and Natural History Society, 1983)

Proceedings, combined meeting of the Western Forest Nursery Associations : Western Forest Nursery Council, Forest Nursery Association of British Columbia, and Intermountain Forest Nursery Association : August 8-11, 1988, Vernon, British Columbia - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1988)

Proceedings, combined Western Forest Nursery Council and Intermountain Nursery Association meeting : August 12-15, 1986, Tumwater, Washington - Intermountain Nursery Association. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1986)

Proceedings, Conifer Tree Seed in the Inland Mountain West Symposium : Missoula, Montana, August 5-6, 1985 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1986)

Proceedings : growth and yield and other mensurational tricks ; a regional technical conference, Logan, Utah, November 6-7, 1984 - Intermountain Research Station (Ogden, Utah) (United States, Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Proceedings : Intermountain Forest Nursery Association : August 14-18, 1989, Bismarck, North Dakota - Landis, Thomas D. (U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, 1989)

Proceedings : Intermountain Nurseryman's Association meeting : August 13-15, 1985, Fort Collins, Colorado - Rocky Mountain Forest; Range Experiment Station (Fort Collins, Colo.) (Rocky Mountain Forest and Range Experiment Station, Forest Service, U.S. Dept. of Agriculture, 1986)

Proceedings, Lake States Forest Tree Improvement Conference, August 30-31, 1955 - Lake States Forest Experiment Station (Saint Paul, Minn.) (U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1955)

Proceedings, land classifications based on vegetation : applications for resource management : Moscow, ID, November 17-19, 1987 - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1989)

Proceedings : National Wilderness Research Conference, current research, Fort Collins, CO, July 23-26, 1985 - Intermountain Research Station (Ogden, Utah) (Intermountain Research Station, 1986)

Proceedings of the 1984 Western States and Provinces Elk Workshop, April 17-19, 1984, Edmonton, Alberta - Alberta. Fish; Wildlife Division. (Wildlife Branch, Fish and Wildlife Division, 1985)

Proceedings of the 1st joint meeting of the 12th National Symposium on Forest Parasites and the 54th Western Forest Insect Work Conference (WFIWC) Guadalajara, Mexico, November 3-6, 2003 : enhancing our parnerships - Steed, Brytten E. (USDA Forest Service, 2003)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1954)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1957)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1961)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1982)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1990)

Proceedings of the Biological Society of Washington - Smithsonian Institution (Biological Society of Washington, 1997)

Proceedings of the Botanical Society of the British Isles - Botanical Society of the British Isles. (1960)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1953)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 1962)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2006)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2008)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2018)

Proceedings of the California Academy of Sciences, 4th series - California Academy of Sciences (California Academy of Sciences, 2023)

Proceedings of the eighteenth southern forest tree improvement conference, May 21-23, 1985, Long Beach, Mississippi - Southern Forest Tree Improvement Committee. (National Technical Information Service, 1985)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1957)

Proceedings of the Entomological Society of British Columbia - Entomological Society of British Columbia (Entomological Society of British Columbia, 1959)