Pre-Cambrian and Cambrian relations in the upper Mississippi Valley

• 30 November 1935
• journal article
• Published by Geological Society of America in GSA Bulletin
• Vol. 46  (11) , 1659-1686
• https://doi.org/10.1130/gsab-46-1659

Abstract

Keywords

• PRE CAMBRIAN
• CAMBRIAN RELATIONS
• CAMBRIAN AND CAMBRIAN
• UPPER MISSISSIPPI VALLEY