Mollusca of the Tertiary Formations of Northeastern Mexico

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

Geology Along the Southern Margin of the Absaroka Range, Wyoming

Paleontology and Stratigraphy of the Silurian Rocks of the Port Daniel-Black Cape Region, Gaspé

Lower Mississippian Rocks of the East-Central Interior

Bibliographic Index of North American Devonian Cephalopoda

Contributions to a Knowledge of the Lead and Zinc Deposits of the Mississippi Valley Region