by Frederick Samuel Dellenbaugh
A Canyon Voyage
The Narrative of the Second Powell Expedition down the Green-Colorado River from Wyoming, and the Explorations on Land, in the Years 1871 and 1872
en
~11 hours (657K characters)
Project Gutenberg
Produced by Audrey Longhurst and the Online Distributed Proofreading Team at http://www.pgdp.net