Upper Cretaceous Foraminifera of the gulf region of the United States and adjacent areas /
by Joseph A. Cushman.
- Washington : U.S. Govt. Print. Off., 1946.
- 241 p. : 66 pl. on 33 l. ; 29 cm.
gs 46000125
Foraminifera, Fossil Paleontology--Cretaceous Paleontology--Gulf States