Clays Ferry formation (Ordovician) -- a new map unit in south-central Kentucky /

Bibliographic Details
Main Authors:	Weir, Gordon W. (Gordon Whitney), 1922-2011 (Author), Greene, Robert C. (Author)
Corporate Author:	Kentucky Geological Survey (sponsoring body.)
Format:	Government Document eBook
Language:	English
Published:	[Washington, D.C.] : United States Department of the Interior, Geological Survey, 1965.
Series:	Geological Survey bulletin ; 1224-B. Contributions to stratigraphy.
Subjects:	From 425 to 500 million years ago Geology > Kentucky. Geology, Stratigraphic > Ordovician. Geology. Geology, Stratigraphic. Ordovician Geologic Period. Kentucky.
Online Access:	https://purl.fdlp.gov/GPO/gpo66444