Stratigraphy and Paleoecology of the Saluda Formation (Cincinnatian) in Indiana, Ohio, and Kentucky

Biostratigraphy and Lower Permian Fusulinidae of the Upper Delta River Area, East-central Alaska Range

Geochemical Environment in Relation to Health and Disease: American Association for the Advancement of Science Symposium, December, 1970

Bibliography of Continental Drift and Plate Tectonics

Bibliography of Theses in Geology, 1967-1970

Correlation of the Silurian Rocks of Australia, New Zealand, and New Guinea

History Of The Grand Canyon Of The Yellowstone

Atlantic Submarine Valleys of the United States and the Congo Submarine Valley

Middle Devonian Corals of Ohio

Fossil Snakes of North America

Stratigraphy And Mollusca Of The Eocene Of Western Oregon

Geology And Paleontology of the Mingan Islands, Quebec

Tertiary Flora from the Rio Pichileufu, Argentina

Ozarkian and Canadian Brachiopoda

Devonian Ammonoids of America

Cambrian System (Restricted) of the Southern Appalachians

Lower Cretaceous Deposits in California and Oregon

Pennsylvanian Correlations in the Eastern Interior and Appalachian Coal Fields

Cambrian Stratigraphy and Trilobites of Northwestern Montana

Cambrian Merostomata