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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

Mineral resources of the Gibraltar Mountain and Planet Peak wilderness study areas, La Paz County, A

Eppinger, R. G., author.
[Reston, Va.] : Department of the Interior, U.S. Geological Survey, 1990. 1990