Geologic atlas of U.S.
Subtitle: Sundance folio, Wyoming-South Dakota.
Contributors: Darton, Nelson Horatio, 1865-1948.
Series: Geologic Atlas of U.S. Folio No. 127
Publisher: [s.n.]
Published: 1905
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Wyoming.; Geological mapping -- South Dakota.