A stratigraphic study of the mollusks of the Calvert and Choptank formations of southern Maryland 
By: by Lois Margaret Schoonover.
Series: Bulletins of American paleontology, v. 25, no. 94B
Publisher: Paleontological research institution
Published: 1941
Place of publication: Ithaca, N.Y
Language: eng
Number of pages: 134
Subjects: Mollusks, Fossil.; Paleontology -- Miocene.; Paleontology -- Maryland.
Notes: Bibliography: p. 107-110.
Thesis (Ph. D.)--Bryn Mawr college, 1940.
Vita.