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A contribution to the fungus flora of Utah and Nevada - Rhoads, Arthur S. (Arthur Stevens), 1893 - (Plant Disease Survey, Division of Mycology and Disease Survey, Bureau of Plant Industry, Soils, and Agricultural Engineering, Agricultural Research Administration, United States Department of Agriculture, 1946)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1893)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1906)

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Contributions from the United States National Herbarium - United States. National Herbarium. (Smithsonian Institution Press, 1915)

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Contributions in quaternary vertebrate paleontology: a volume in memorial to John E. Guilday - Genoways, Hugh H. (Carnegie Museum of Natural History, 1984)

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Contributions of the American Entomological Institute - American Entomological Institute. (American Entomological Institute], 1983)

Contributions to North American ethnology. Vol. I-VII, IX - Geographical; Geological Survey of the Rocky Mountain Region (U.S.) (Govt. Print. Off, 1890)

Contributions to the extinct vertebrate fauna of the western territories - Leidy, Joseph, 1823 -1891 (Govt. Print. Off, 1873)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1893)

Contributions to western botany.no. 1-18 - Jones, Marcus E. (Marcus Eugene), 1852 -1934 (1902)

Control of woody weeds: some physiological aspects - Woods, Frank W. (Southern Forest Experiment Station, Forest Service, U.S. Forest Service, 1955)

Cooper's hawk and long-eared owl nest occupancy and productivity in Piceance Basin, Colorado - United States. Bureau of Land Management. White River Field Office. (U.S. Department of the Interior, Bureau of Land Management, White River Field Office, 2013)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1959)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1960)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1962)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1963)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1964)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (U.S. Dept. of Agriculture, Agricultural Research Administration, Bureau of Entomology and Plant Quarantine, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1951)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1969)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1971)

Cooperative economic insect report - United States. Bureau of Entomology; Plant Quarantine. (Plant Protection and Quarantine Programs Animal and Plant Health Service, 1973)

A cooperative evaluation of potential air pollution injury and damage to coniferous habitats on national forest lands near Colstrip, Montana I Interim report of activities from June 1, 1975-May 30, 1976 - United States. Forest Service. (U.S.D.A., Forest Service, 1976)

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COVER : a user's guide to the CANOPY and SHRUBS extension of the Stand Prognosis Model - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1985)

Cover type and fire control in the national forests of northern California - Kotok, E. I. 1888 -1966 (U.S. Dept. of Agriculture, 1929)

Craig District (White River, Kremmling, and Little Snake resource areas) : final wilderness environmental impact statement : Grand, Jackson, Moffat, and Rio Blanco counties, Colorado ; Daggett and Uintah counties, Utah - United States. Bureau of Land Management. Craig District Office. (U.S. Department of the Interior, Bureau of Land Management, Craig District, 1990)

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Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1984)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1986)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1987)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1988)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1991)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 1994)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2006)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2007)

Crossosoma - Southern California Botanists. (Southern California Botanists, Rancho Santa Ana Botanic Garden, 2011)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (The Macmillan company, 1909)

Cyclopedia of American horticulture, comprising suggestions for cultivation of horticultural plants, descriptions of the species of fruits, vegetables, flowers, and ornamental plants sold in the United States and Canada, together with geographical and biographical sketches - Bailey, L. H. (Liberty Hyde), 1858 -1954 (Macmillan, 1900)

Damage to range grasses by the Zuni prairie dog - Loftfield, J. V. Gorm, 1890 - (U.S. Dept. of Agriculture, 1924)

The Death valley expedition. A biological survey of parts of California, Nevada, Arizona, and Utah Part II - Stejneger, Leonhard, 1851 -1943 (Govt. print. off, 1893)

Dedication papers : scientific papers presented at the dedication of the laboratory building and plant houses, April 19-21, 1917 - Brooklyn Botanic Garden. (Brooklyn Botanic Garden, 1918)

Demographic monitoring of Astragalus scaphoides at Sheep Corral Gulch, Beaverhead County, Montana : 1991 progress report - Lesica, Peter. (Montana Natural Heritage Program, 1991)

Demographic monitoring of Astragalus scaphoides at two sites in Montana and Idaho final report - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1994)

Demographic monitoring of Astragalus scaphoides at two sites in Montana and Idaho, 1992 progress report - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1993)

Demographic monitoring of Astragalus scaphoides at two sites in Montana and Idaho : final report - Lesica, Peter. (Montana Natural Heritage Program, 1994)

Demographic monitoring of Penstemon lemhiensis, Beaverhead National Forest : 1990 progress report - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1991)

Demographic monitoring of Penstemon lemhiensis in Southwest Montana : final report - Montana Natural Heritage Program. (Montana Natural Heritage Program, 1995)