Monitoring the effects of recreational use on Colorado River beaches in Grand Canyon National Park /

Bibliographic Details
Other Authors:	Phillips, Barbara G., Johnson, Robert A., Phillips, Arthur M., Brian, Nancy
Format:	Book
Language:	English
Published:	Flagstaff, Arizona : Museum of Northern Arizona Press, 1986.
Series:	Museum of Northern Arizona bulletin ; no. 55.
Subjects:	Colorado River (Colo.-Mexico) > Recreational use. Grand Canyon National Park (Ariz.) > Recreational use. Outdoor recreation > Environmental aspects > Colorado River (Colo.-Mexico)

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