Stratigraphy and ordovician limestones and dolomites of Nittany Valley from Bellefonte to Pleasant Gap, Pennsylvania
Subtitle: trip itinerary
By: [by] F.M. Swartz ... [et al.].
Contributors: Swartz, F.M.; Pennsylvania Geologists.
Publisher: s.n.]
Published: 1966
Place of publication: [s.l
Language: eng
Subjects: Paleontology, Stratigraphic