Geologic atlas of U.S.
Subtitle: Rogersville folio.
Contributors: Clapp, Frederick G.
Series: Geologic Atlas of U.S. Folio No. 146
Publisher: [s.n.]
Published: 1907
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Wisconsin.; Geological mapping -- Iowa.; Geological mapping -- Illinois.