National Geologic Map Database
General Information
- Title: Descriptions of new species and genera of fossils, collected by Dr. F.V. Hayden in Nebraska Territory, under the direction of Lieut. G.K. Warren, U.S. Topographical Engineer; with some remarks on the Tertiary and Cretaceous formations of the northwest, and the parallelism of the latter with those of other portions of the United States and Territories
- Author(s): Meek, F.B., and Hayden, F.V.
- Publishing Organization: Academy of Natural Sciences of Philadelphia
- Series and Number: Proceedings v. 9 [p. 117-148]
- Publication Date: 1857
- Map Scale: 1:6,000,000
- Cross Section: Yes
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