The exploration of the Colorado River and its canyons /
Powel, John Wesley, 1834-1902.
The exploration of the Colorado River and its canyons / J.W. Powel. - New York : Dover, 1961. - xiv, 400 p. ; 21 cm. - The penguin natura library. .
Colección California mexicana Ascension y Miguel LeónPortilla.
Powel, John Wesley, 1834-1902 - Viajes Colorado, Rio.
F788 / P68
The exploration of the Colorado River and its canyons / J.W. Powel. - New York : Dover, 1961. - xiv, 400 p. ; 21 cm. - The penguin natura library. .
Colección California mexicana Ascension y Miguel LeónPortilla.
Powel, John Wesley, 1834-1902 - Viajes Colorado, Rio.
F788 / P68
