John Wesley Powell's exploration of the Colorado River.

Bibliographic Details
Main Author:	Rabbitt, Mary C.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Published:	Washington, D.C. : U.S. Dept. of the Interior, U.S. Geological Survey, [1995?]
Subjects:	Powell, John Wesley, > 1834-1902. Explorers > United States. Colorado River (Colo.-Mexico) Grand Canyon (Ariz.) United States > Discovery and exploration.

Evans: US Documents (Annex 5th floor)