Geologic atlas of U.S.
Subtitle: Pikes Peak folio, Colorado.
Contributors: Cross, Whitman, 1854-1949.; Penrose, R. A. F.
Series: Geologic Atlas of U.S. Folio No. 7
Publisher: [s.n.]
Published: 1894
Place of publication: Washington, D.C
Format: Microform
Subjects: Geological mapping -- Colorado.