About
Title
Ordovician-Silurian contact
Description
Ordovician-Silurian contact at Swatara Gap
Creator
Bolles, William H.
Original Format
Photographs
Note
See also, Pennsylvania Geology volume 2/3.
Contact
For further information contact RA-pagslibrary@pa.gov or call 717-702-2020.
Contributing Institution
Pennsylvania Geological Survey
Sponsorship
This Digital Object is provided in a collection that is included in POWER Library: Pennsylvania Photos and Documents, which is funded by the Office of Commonwealth Libraries of Pennsylvania/Pennsylvania Department of Education.