Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin, Colorado and New Mexico
By: by John B. Reeside, Jr., and Flora of the Animas Formation, by F.H. Knowlton.
Contributors: Knowlton, Frank Hall, 1860-1926.
Publisher: Govt. Print. Off.
Published: 1924
Place of publication: Washington
Language: eng
Number of pages: 117
Subjects: Geology -- Colorado.; Geology -- New Mexico.; Geology, Stratigraphic -- Cretaceous.; Geology, Stratigraphic -- Tertiary.; Plants, Fossil -- Colorado.
Other titles: Flora of the Animas formation.
Notes: Includes bibliographical references and index.
Plates not included in pagination.
At head of title: Department of the Interior.