Publicado por United States Government Printing Office, Washington, D. C., 1969
Librería: The Book Shelf, Salem, OR, Estados Unidos de America
Hardcover. Condición: Near Fine. Estado de la sobrecubierta: No Dust Jacket [as issued]. Large format book, pictorial cloth covers, frontispiece photograph of John Westley Powell. Geological survey professional paper 669. A collection of papers honoring Powell on the 100th anniversary of his exploration of the Colorado River, 1869-1969. Illustrated with maps and photographs, 145 pages. Rubber stamp on front endpaper from U.S. Geological Survey Water Resources Division Phoenix Subdistrict, no other markings. Very nice copy, close to new.