Guidebook for field trips, Pittsburgh meeting, 1959.
By: [Prepared for the annual meeting of the Geological Society of America and associated societies]  Field Trip Committee; Tracy V. Buckwalter [and others.
Series: Its Guidebook series; Guidebook series (Geological Society of America)
Published: 1959
Place of publication: New York]
Language: eng
Number of pages: 203
Subjects: Geology -- Pennsylvania
Notes: Includes bibliographies.