Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1951. Softcover. Item #44174
A study of the foraminiferal fauna of a Paliocene and Eocene fromation of scientific and economic importance. 29 pages with maps, tables, references and index, plus 10 illustrated plates bound in the rear and one folded plate in the rear pocket. Bound in original gray stiff paper covers printed in black. A very good copy.