Mineral resources of the Elders ridge quadrangle, Pennsylvania
By: by Ralph W. Stone.
Series: U.S. Geological survey. Bulletin; no. 256
Publisher: Govt. Print. Off.
Published: 1905
Place of publication: Washington
Language: eng
Number of pages: 86
Subjects: Mines and mineral resources -- Pennsylvania -- Elders ridge quadrangle.; Geology -- Pennsylvania -- Elders ridge quadrangle.
Notes: Subject series: A, Economic geology, 51; B, Descriptive geology, 63.
Includes index.