American species of Operculina and Heterostegina and their faunal relations /

Bibliographic Details
Main Author:	Cushman, Joseph A. (Joseph Augustine), 1881-1949 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Washington] : [Department of the Interior, United States Geological Survey], [1921]
Series:	Professional paper (Geological Survey (U.S.)) ; no. 128-E. Shorter contributions to general geology ; 1920.
Subjects:	Foraminifera, Fossil > Florida. Foraminifera, Fossil > Georgia. Foraminifera, Fossil > Alabama. Foraminifera, Fossil.
Online Access:	https://purl.fdlp.gov/GPO/gpo79565