Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin, Colorado and New Mexico - Reeside, John B. (John Bernard), 1889-1958; Knowlton, Frank Hall, 1860-1926. (Washington, Govt. Print. Off., 1924)
Plates not included in pagination.
At head of title: Department of the Interior.
Includes bibliographical references and index.
Keywords: Geology -- Colorado; Geology -- New Mexico; Geology, Stratigraphic -- Cretaceous; Geology, Stratigraphic -- Tertiary; Plants, Fossil -- Colorado