Plafker, George, and MacNeil, F.S., 1966, Stratigraphic significance of Tertiary fossils from the Orca Group in the Prince William Sound region, Alaska, in U.S. Geological Survey, Geological survey research 1966, Chapter B: U.S. Geological Survey Professional Paper 550-B, p. B62-B68.
This publication is part of a larger work. Please see P 550-B for more information.
Paleontology