Age of the Exshaw shale in the Canadian Rockies

• 1 June 1937
• journal article
• Published by American Journal of Science (AJS) in American Journal of Science
• Vol. s5-33  (198) , 454-457
• https://doi.org/10.2475/ajs.s5-33.198.454

Abstract

Keywords

• CANADIAN ROCKIES
• AGE OF THE EXSHAW
• EXSHAW SHALE IN THE CANADIAN