Upper Cretaceous and Tertiary formations of the western part of the San Juan Basin, Colorado and New Mexico / by John B. Reeside, Jr., and Flora of the Animas Formation, by F.H. Knowlton.

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Main Author: Reeside, John B. (John Bernard), 1889-1958
Corporate Author: Geological Survey (U.S.)
Other Authors: Knowlton, Frank Hall, 1860-1926
Other title:Flora of the Animas formation.
Format: Government Document Book
Language:English
Published: Washington : Govt. Print. Off, 1924.
Series:Professional paper (Geological Survey (U.S.)) ; no. 134.
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