Some analogies in the Lower Cretaceous of Europe and America.
Published: 1900
Place of publication: [n.p
Language: eng
Number of pages: 79
Subjects: Geology, Stratigraphic; United States -- Geology
Notes: Bound with his The Potomac formation [1894]

Extract from 16th Annual Report of the U.S. Geological Survey, 1893-4.