Geology and mineral resources of the Bellefonte quadrangle, Pennsylvania
By: by Charles Butts and Elwood S. Moore.
Publisher: U.S. Govt. Print. Off.
Published: 1936
Place of publication: Washington
Language: eng
Number of pages: 111
Subjects: Geology -- Pennsylvania -- Centre County.; Mines and mineral resources -- Pennsylvania -- Centre County.
Notes: Bibliographical foot-notes.
At head of title: United States Department of the Interior.