John Wesley Powell: Conquest of the canyon
By Vada F Carlson.
Description
A biography of the geologist who led the first expedition down the canyons of the Green and Colorado rivers in 1869. - from Amzon
ISBN(s)
0817851313, 9780817851323
By Vada F Carlson.
A biography of the geologist who led the first expedition down the canyons of the Green and Colorado rivers in 1869. - from Amzon
0817851313, 9780817851323