Geologic atlas of U.S.
Subtitle: Estilville folio, Kentucky-Virginia-Tennessee.
Contributors: Campbell, Marius R. 1858-1940.
Series: Geologic Atlas of U.S. Folio No. 12
Publisher: [s.n.]
Published: 1894
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Kentucky.; Geological mapping -- Virginia.; Geological mapping -- Tennessee.