Geologic map of the Blackford quadrangle, western Kentucky
By: by Dewey H. Amos.
Contributors: Geological Survey (U.S.); Kentucky Geological Survey.
Series: Geologic quadrangle map -- GQ-873.
Publisher: U.S. Geological Survey
Place of publication: Washington, D.C
Format: Map
Subjects: Geology -- Kentucky -- Crittenden County -- Maps.; Geology -- Kentucky -- Webster County -- Maps.; Geology -- Kentucky -- Union County -- Maps.
Genres: Maps.
Other titles: Blackford quadrangle, western Kentucky.
Notes: Contour interval 10 feet.

"Prepared in cooperation with the Commonwealth of Kentucky, University of Kentucky, Kentucky Geological Survey."

Includes stratigraphic section and text with bibliography.