The geological history and geological structure of Wyoming /

Bibliographic Details
Main Author: Thomas, Horace Davis, 1905-
Format: Book
Language:English
Published: Laramie : University of Wyoming, 1949.
Series:Bulletin (Geological Survey of Wyoming) ; 42.
Subjects:
Description
Item Description:"Geological time-rock table.": on page 2 of cover.
Physical Description:28 pages : illustrations