Washington, DC: United States Geological Survey/USGS/Government Printing Office/GPO, 1973. Soft cover. Item #47164
Descriptions are provided for large Early Devonian and Late Silurian brachiopod faunas of northwestern Maine, together with small Early Silurian and Middle Ordovician faunas. 81 pages with tables, graphs, illustrations, references and index, plus the 23 photographic plates bound in the rear. Bound in original gray stiff paper covers printed in black. Receiving stamp and three digit number on the front cover. A near fine copy.