1956 University of Oklahoma Press.(part of the American Exploration and Travel Series.) No dust jacket. Reddish boards are clean with very slight bumps on corners. Edges show moderate tanning. Bind is very tight. No inscriptions, notations, underlines or highlights. "...this makes for a fascinating read for anyone interested in the Old West and especially Arizona and New Mexico before white settlement ruined the horizon forever." Proceeds benefit Oro Valley AZ Public Library.