Washington DC: Government Printing Office, 1953. Publication 4098. Paperback. 70pp. Octavo [23.5 cm] Tan and black printed wraps. Very good. The spine has a couple of small stains. There is a former owner's small blind stamp on the front cover, and again on the title page. The pages are mildly browned. Item #26335
With 5 plates. Subjects include Deadman's Canyon, Origin of the San Jon Depression, Firepit Arroyo, and much more.