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Yellowstone National Park looks like a pristine western landscape populated by wild bison, grizzly bears, and wolves. But the bison do not always range freely, snowmobile noise intrudes upon the park's winter silence, and some tourist villages are located in prime grizzly bear habitat. These and other issues--including fires and the New World Mine--were the center of a policy-making controversy involving federal politicians and interested stakeholders. Yet outcomes of the controversies varied considerably, depending on politics, science, how well park managers allied themselves with...

In this first book-length study of winter use in any national park, Michael Yochim examines the longstanding conflict between the National Park Service and groups who favor or object to snowmobiles in Yellowstone. By illuminating the fundamental drivers of the controversy--American...