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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

Proposed sampling design for springs, seeps, and hanging gardens monitoring in the Northern Colorado

Weissinger, Rebecca, author.
Fort Collins, Colorado : U.S. Department of the Interior, National Park Service, Natural Resource Stewardship and Science, 2013. 2013

Timpanogos Cave National Monument, Utah, 2018.

United States. National Park Service, cartographer.
[Washington, D.C.] : National Park Service, 2018. 2018

Geology and ore deposits of the Tintic mining district, Utah

Lindgren, Waldemar, 1860-1939, author.
Washington : Department of the Interior, United States Geological Survey, 1919. 1919