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Contributions to the geography of the United States, 1922

Campbell, Marius R. (Marius Robinson), 1858-1940, author.
[Washington, D.C.] : Department of the Interior, United States Geological Survey, 1923. 1923

Ethnology of Rocky Mountain National Park : the Ute and Arapaho

Beals, Ralph L. (Ralph Leon), 1901-1985 author.
Berkeley, California U.S. Department of the Interior, National Park Service, Field Division of Education, 1935. 1935

Evaluation of the sensitivity of inventory and monitoring national parks to nutrient enrichment effe

Sullivan, Timothy J. (Timothy Joseph), 1950- author.
Denver, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Program Center, 2011. 2011

Impacts of visitor spending on the local economy.

Cook, Philip S., 1960- author.
Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2012. 2012

The National Park Service did not oversee its general agreements.

United States. Department of the Interior. Office of Inspector General, author.
Washington, DC : Office of Inspector General, U.S. Department of the Interior, 2020. 2020

Rhythms of change in Rocky Mountain National Park

Wohl, Ellen E., 1962-
Lawrence : University Press of Kansas, [2016] 2016