Geologic atlas of U.S.
Subtitle: Ouray folio, Colorado.
Contributors: Cross, Whitman, 1854-1949.; Howe, Ernest, 1875-1932.; Irving, J. D. 1874-1918.
Series: Geologic Atlas of U.S. Folio No. 153
Publisher: [s.n.]
Published: 1907
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Colorado.