The Exploration of the Colorado River and its Canyons /John Wesley Powell;Introduction by Wallace Stegner.
Powell, John Wesley.
The Exploration of the Colorado River and its Canyons /John Wesley Powell;Introduction by Wallace Stegner. - New York Penguin Books 1987 - viii,397p.; 19 cm
0142437522
979.13POW
The Exploration of the Colorado River and its Canyons /John Wesley Powell;Introduction by Wallace Stegner. - New York Penguin Books 1987 - viii,397p.; 19 cm
0142437522
979.13POW