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

Bibliographic Details
Main Author:	Kehn, Thomas M.
Format:	Government Document Book
Language:	English
Published:	Washington : U.S. Govt. Print. Off, 1973.
Series:	Geological Survey bulletin ; 1394-B. Contributions to stratigraphy.
Subjects:	Geology, Stratigraphic > Pennsylvanian. Geology, Stratigraphic > Nomenclature > Kentucky.

by Kehn, Thomas M.
Published 1973

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