Lot United States Geological Survey Professional Paper USGS Geology Paleontology

United States Geological Survey Professional Paper by U.S. Dept. of the Interior: Succession and Speciation odyssey the PelecypodAucella, 1959 (314-G). United States Geological Survey Professional Paper by U.S. Dept. of the Interior: Tertiary and Pleistocene Brachiopods of Okinawa Ryuku Islands, 1957 (314-A).