This book is the result of more than 53 years of research which includes the many field studies and observations that we have done throughout the years that wer

Map and profile in pocket. Chapters 1-9 of pt. 1, with six chapters added, were pub. later (Meadville, Pa., 1895) under title: Canyons of the Colorado, by J.W.

Full text of Powell's 1,000-mile expedition down the fabled Colorado in 1869. Superb account of terrain, geology, vegetation, Indians, famine, mutiny, treachero