The development of geological studies in the Grand Canyon /

Bibliographic Details
Main Author:	Spamer, Earle E.
Corporate Authors:	Academy of Natural Sciences of Philadelphia. Department of Malacology, International Geological Congress (Invertebrate Paleontology Section.)
Format:	Conference Proceeding Book
Language:	English
Published:	Philadelphia : Department of Malacology, Academy of Natural Sciences of Philadelphia, [1989]
Series:	Contribution of the Invertebrate Paleontology Section ; no. 1. Tryonia ; no. 17.
Subjects:	Geology > Arizona > Grand Canyon > History. Paleontology > Arizona > Grand Canyon > History.

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