Geologic atlas of U.S.
Subtitle: Elkland-Tioga folio, Pennsylvania.
Contributors: Alden, William C. b. 1871.; Fuller, Myron L.
Series: Geologic Atlas of U.S. Folio No. 93
Publisher: [s.n.]
Published: 1903
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Pennsylvania.