New York: G.P. Putnam's Sons, 1908.
First Edition. Hardcover. Very good. 8vo, pp. xx, 277 + ads, with color frontispiece and many illustrations from photographs, in original illustrated cloth. Spine a bit toned, minor foxing to boards and endpapers, otherwise clean and sound. Account of John Wesley Powell's second Colorado River expedition (1871-73), for which the seventeen-year-old Dellenbaugh was the artist and assistant topographer. Dellenbaugh also created the cover design for this book, as well as several of his others. Farquhar 45.