Uncertain path a search for the future of national parks /

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Dades bibliogràfiques
Autor principal:	Tweed, William C.
Autor corporatiu:	ebrary, Inc
Format:	Electrònic eBook
Idioma:	anglès
Publicat:	Berkeley : University of California Press, c2010.
Matèries:	Tweed, William C. > Travel > California. National parks and reserves > United States > Management. National parks and reserves > United States > Forecasting. National parks and reserves > United States > Philosophy. Nature conservation > United States. Environmental protection > United States. Wilderness areas > California. Yosemite National Park (Calif.) > Environmental condiitions. Kings Canyon National Park (Calif.) > Environmental condiitions. Sequoia National Park (Calif.) > Environmental condiitions. Electronic books.
Accés en línia:	An electronic book accessible through the World Wide Web; click to view
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