Billions of years in Minnesota
Subtitle: the geological story of the state
By: by Edmund C. Bray.
Contributors: Bray, Edmund C.
Publisher: Science Museum of Minnesota
Published: 1977
Place of publication: St. Paul, Minn
Language: eng
Number of pages: 102
Subjects: Geology -- Minnesota.
Notes: Bibliography: p. 90.
Pt. 3 is a rev. ed. of: A million years in Minnesota. [c1962]
Includes index.