The lower Cretaceous Gryphæas of the Texas region /

Bibliographic Details
Main Authors:	Hill, Robert Thomas, 1858-1941 (Author), Vaughan, Thomas Wayland, 1870-1952 (Author)
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : Department of the Interior, United States Geological Survey, 1898.
Series:	Bulletin of the United States Geological Survey ; no. 151.
Subjects:	Gryphaea. Paleontology > Texas. Paleontology > Cretaceous. Cretaceous Geologic Period. Paleontology. Texas. From 65 to 140 million years ago
Online Access:	https://purl.fdlp.gov/GPO/gpo58615

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