Canyons of the Colorado.

by Powell, John Wesley, 1834-1902
Published 1964

First through the canyon.

by Powell, John Wesley, 1834-1902
Published 1966

First through the Grand Canyon /

by Powell, John Wesley, 1834-1902
Published 1928

First through the Grand Canyon : being the record of the pioneer exploration of the Colorado River in 1869-70 /

by Powell, John Wesley, 1834-1902
Published 1915

The exploration of the Colorado River /

by Powell, John Wesley, 1834-1902
Published 1957

Exploration of the Colorado river of the West and its tributaries /

Published 1875

In the footsteps of John Wesley Powell : an album of comparative photographs of the Green and Colorado rivers, 1871-72 and 1968 /

by Stephens, Hal G., 1917-
Published 1987

Canyons of the Colorado /

by Powell, John Wesley, 1834-1902
Published 1895

Report of explorations in 1873 of the Colorado of the West and it's tributaries /

by Powell, John Wesley, 1834-1902
Published 1874

Exploration of the Colorado River of the West and its tributaries : explored in 1869, 1870, 1871, and 1872, under the direction of the secretary of the Smithsonian Institution.

Published 1875

The exploration of the Colorado River and its canyons /

by Powell, John Wesley, 1834-1902
Published 1961

A canyon voyage : the narrative of the second Powell expedition down the Green-Colorado river from Wyoming, and the explorations on land, in the years 1871 and 1872 /

by Dellenbaugh, Frederick Samuel, 1853-1935
Published 1908

The exploration of the Colorado River and its canyons /

by Powell, John Wesley, 1834-1902
Published 1987