Published by Arizona Highways, 1950
Seller: Yesterday's Muse, ABAA, ILAB, IOBA, Webster, NY, U.S.A.
Stapled Binding. Condition: Very Good. No publisher date (circa mid 1900s). Sticker ghost on front wrapper, rear wrapper lightly soiled. 12 pp. A brief look into the training and use of mules as transport in the Grand Canyon.