Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1942. First edition. Soft cover. Very good plus. Item #51990
399 pages with maps, photographs, tables, graphs and index, plus all 26 of the required plates are present, including the three map plates in the rear pocket. Bound in original orange stiff paper covers with lettering in black. Small stamp of geologist W.L. Huber on the front cover and title page. Maps are fine and appear to be unused. A very good plus copy of the book.