Washington : United States Department of the Interior, Geological Survey, 1951
Resource Type:
Book
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Additional/Related Title Information
Full Title:
Fresh-water mollusks of Cretaceous Age from Montana and Wyoming / by Teng-Chien Yen
Series Titles:
Geological Survey professional paper ; 233-A Shorter contributions to general geology Geological Survey professional paper ; 233-A. Shorter contributions to general geology.
Part 1: A fluviatile fauna from the Kootenai formation near Harlowton, Montana -- Part 2: An Upper Cretaceous fauna from the Leeds Creek area, Lincoln County, Wyoming.