The Supai Group -- subdivision and nomenclature /

Bibliographic Details
Main Author:	McKee, Edwin D. (Edwin Dinwiddie), 1906-1984 (Author)
Format:	Government Document eBook
Language:	English
Published:	[Reston, Va.] : United States Department of the Interior, Geological Survey, 1975.
Series:	Geological Survey bulletin ; 1395-J. Contributions to stratigraphy.
Subjects:	Geology, Stratigraphic > Pennsylvanian. Geology, Stratigraphic > Permian. Geology, Stratigraphic > Nomenclature. Geology, Stratigraphic. Pennsylvanian Geologic Period. Permian Geologic Period. From 230 to 310 million years ago Terminology.
Online Access:	https://purl.fdlp.gov/GPO/gpo74177

Description
Item Description:	"The Supai Formation of the Grand Canyon region is raised in rank to Supai Group and divided into four formations that range in age from Early Pennsylvanian to Early Permian."
Physical Description:	1 online resource (iv, 11 pages) : illustration.
Bibliography:	Includes bibliographical references (page 11).