Upper Eocene Foraminifera of the southeastern United States,
by Joseph A. Cushman.
- Washington, U.S. Govt. Print. Off., 1935.
- 1 p.l., 88 p. incl. tables. 23 pl., 3 fold. tab. 29 cm.
- U.S. Geological Survey. Professional paper 181 .
At head of title: United States Department of the Interior.
gs 35000125
Foraminifera, Fossil. Foraminifera--United States.