Geologic atlas of U.S.
Subtitle: Lancaster-Mineral Point folio, Wisconsin-Iowa-Illinois.
Contributors: Burchard, Ernest F. 1875-1961.; Grant, Ulysses S.
Series: Geologic Atlas of U.S. Folio No. 145
Publisher: [s.n.]
Published: 1907
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Wisconsin.; Geological mapping -- Iowa.; Geological mapping -- Illinois.