Colorado River Management Plan Grand Canyon National Park Arizona

1979. Paperback. Quarto [28 cm] Stapled printed wraps. Very good. The covers are slightly age-toned, and there is a faint trace of soiling on the front cover. Previous owner's name on the front cover. Free of internal markings. Prepared by Grand Canyon National Park National Park Service U.S. Department of the Interior. Subjects include Trip Leader and Guide Requirements, Emergency Equipment Procedures, Havusapai Indian Tribe, and much more.