Age of the schists of the South Valley Hills, Pennsylvania

• 31 May 1935
• journal article
• Published by Geological Society of America in GSA Bulletin
• Vol. 46  (5) , 715-756
• https://doi.org/10.1130/gsab-46-715

Abstract

Keywords

• PENNSYLVANIA
• SOUTH VALLEY HILLS
• AGE OF THE SCHISTS