Title
Trap Dykes in the Archœan Rocks of Southeastern Pennsylvania
By
Frazer, Persifor, 1844-1909
Original Publication
Proceedings of the American Philosophical Society held at Philadelphia for promoting useful knowledge
Series / Issue
Issue: 116
Published by
Philadelphia, American Philosophical Society,
Identifiers
BioStor:
https://biostor.org/reference/202994
JSTOR:
982352