Correlation papers
Series: U.S. Geological survey. Bulletin -- no.; Geological Survey bulletin -- no.
Publisher: Govt. Print. Off.
Published: 1891
Place of publication: Washington
Language: eng
Subjects: Geology
Table of contents: title: [2] Cambrian, by C.D. Walcott.; title: [4] Eoene, by W.B. Clark.; title: [5] Neocene, by W.H. Dall and G.D. Harris.; title: [7] Archean and Algonkian, by C.R. Van Hise.