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1 - 2 of 2 resultsSearch results for "million visitors"
Consensus Study Report
Ecological Dynamics on Yellowstone's Northern Range (2002)
National Research Council; Division on Earth and Life Studies; Board on Environmental Studies and Toxicology; Committee on Ungulate Management in Yellowstone National Park
Biology and Life Sciences | Environment and Environmental Studies
Consensus Study Report
Informing an Effective Response to Climate Change (2010)
National Research Council; Division on Earth and Life Studies; Board on Atmospheric Sciences and Climate; America's Climate Choices: Panel on Informing Effective Decisions and Actions Related to Climate Change
Earth Sciences | Environment and Environmental Studies