Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1931. First edition, first printing. Softcover. Item #38262
34 pages with graphs and tables, plus the required folded map of Memphis in the rear pocket. Bound in original green stiff paper covers printed in black. Small stamp of geologist W.L. Huber on the front cover and title page. A very good plus copy.