Colorado River trips within the Grand Canyon National Park and Monument : a socio-economic analysis /

Bibliographic Details
Main Author:	Boster, Mark Alan
Format:	Book
Language:	English
Published:	Tucson : Dept. of Hydrology and Water Resources, University of Arizona, 1972.
Series:	Natural resources systems report ; no. 10.
Subjects:	Boats and boating > Colorado River (Colo.-Mexico) Boats and boating > Arizona > Grand Canyon National Park.

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