Changes in stratigraphic nomenclature by the U.S. Geological Survey.

Bibliographic Details
Format:	Government Document Serial
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, -1980.
Series:	Contributions to stratigraphy. Geological Survey bulletin.
Subjects:	Geology, Stratigraphic > Nomenclature > Periodicals.
Online Access:	https://purl.fdlp.gov/GPO/gpo55931