Sturgis Formation (Upper Pennsylvanian), a new map unit in the western Kentucky coal field /

Bibliographic Details
Main Author:	Kehn, Thomas M. (Author)
Corporate Author:	Kentucky Geological Survey
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1973.
Series:	Geological Survey bulletin ; 1394-B. Contributions to stratigraphy.
Subjects:	Geology, Stratigraphic > Pennsylvanian > Nomenclature. Geology, Stratigraphic > Nomenclature. Geology, Stratigraphic. Pennsylvanian Geologic Period. From 280 to 310 million years ago Terminology.
Online Access:	https://purl.fdlp.gov/GPO/gpo73898

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