Geologic atlas of U.S.
Subtitle: Harpers Ferry folio, Virginia-Maryland-West Virginia.
Contributors: Keith, Arthur.
Series: Geologic Atlas of U.S. Folio No. 10
Publisher: [s.n.]
Published: 1894
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Virginia.; Geological mapping -- Maryland.; Geological mapping -- West Virginia.