Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1962. Softcover. Item #43874
The feasibility of exploding nuclear weapons underground. 29 pages with photographs, tables, map, references and index, plus the six folded plates in the rear pocket. Bound in original light gray paper covers with printing in black. Stamp of geologist Richard H. Jahns on the front cover. A near fine copy.