Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1964. Soft cover. Item #39015
80 pages with tables, graphs, charts, references, and index. The required seven folded plates and maps are present in the rear pocket. The book is bound in original orange stiff paper covers with printing in black. Stamp of geologist Richard H. Jahns on the front cover. A near fine copy.