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Classification of the forest vegetation of Colorado by habitat type and community type - Alexander, Robert R. (1987)

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Comparing revegetation success on monitored and nonmonitored gas well sites in southwestern Wyoming - Intermountain Research Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Research Station, 1993)

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The condor - Cooper Ornithological Club. (Cooper Ornithological Club, 1919)

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Coniferous forest habitat types of northern Utah - Intermountain Forest; Range Experiment Station (Ogden, Utah) (U.S. Dept. of Agriculture, Forest Service, Intermountain Forest and Range Experiment Station, 1984)

Conservation assessment of greater sage-grouse and sagebrush habitats - U.S. Fish; Wildlife Service (Western Association of Fish and Wildlife Agencies, 2004)

Conservation of plant genes II : utilization of ancient and modern DNA - Adams, Robert P. (Missouri Botanical Garden, 1994)

Conservation status of Castilleja longispica on Custer and Gallatin National forests, Montana - Lesica, Peter. (MNHP, 1995)

Conservation status of Eriogonum X lagopus in southern Carbon County, Montana - Lesica, Peter. (Montana Natural Heritage Program, 1992)

Conservation status of Haplopappus carthamoides var. susquarrosus in Montana - Lesica, Peter (Montana Natural Heritage Program, 1995)

Conservation status of Lesquerella lesicii in Montana - Lesica, Peter. (Montana Natural Heritage Program, 1995)

Conservation status of Lomatium attenuatum Evert (Apiaceae) in Montana - United States. Bureau of Land Management. (Montana Natural Heritage Program, 1998)

The conservation status of Picabo milkvetch (Astragalus oniciformis Barneby) - Moseley, Robert K. (Bureau of Land Management, Idaho State Office, 1995)

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Conserving globally rare plants on lands administered by the Dillon Office of the Bureau of Land Management - United States. Bureau of Land Management. (Natural Heritage Program, 2003)