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Yellowstone Center for Resources. 2002. Yellowstone Center for Resources Annual Report. Retrieved May 18, 2006, from [7]www.nps.gov.
Geological Features
Skow, John. "ENVIRONMENT: MOTHER LODE VS. MOTHER NATURE Archaic U.S. mining laws could let a Canadian gold rush threaten Yellowstone National Park." Time 22 Nov. 1993: 58.
Gold Mining and the Environment
Jones, K. (2002, March). Fighting outlaws, returning wolves: Karen Jones examines the significance of the reintroduction of wolves into Yellowstone National Park. History Today, 52, 38+.
Gray Wolves
Mohammed, Arshad. " Mine Deal Will Protect Yellowstone, Clinton Says." Reuters 12 Nov. 1996.
Gold Mining and the Environment
Farag, A. M., Woodward, D. F., Little, E. E., Steadman, B., and Vertucci, F. A. 1993 "The effects of low pH and elevated aluminum on Yellowstone cutthroat troup (Oncorhynchus clarki bouvieri)." Evironmental Toxicology and Chemistry, 12: 719-731.
Acid Rain and Freshwater Fish
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