Mineral resources of the Illinois-Kentucky mining district /

Excellent possibilities exist for finding deposits of fluorspar, lead, zinc, silver, cadmium, rare earths, and niobium in Illinois and Kentucky.

Bibliographic Details

Main Author:	Pinckney, Darrell M.
Corporate Author:	Geological Survey (U.S.)
Format:	Government Document Book
Language:	English
Series:	Geological Survey professional paper ; 970.
Subjects:	Mines and mineral resources > Illinois. Mines and mineral resources > Kentucky.