Geologic map of the Orwigsburg quadrangle, Schuylkill County, Pennsylvania
By: by Gordon H. Wood.
Contributors: Geological Survey (U.S.)
Series: Geologic quadrangle map -- GQ-1029.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Pennsylvania -- Schuylkill County -- Maps.
Genres: Maps.
Other titles: Orwigsburg quadrangle, Schuylkill County Pennsylvania, geologic map.
Notes: Relief shown by contours and spot heights.

"Geology mapped in 1967-68."

Includes 3 col. cross sections, columnar section, text and bibliographical references.