Mineral resources of the Illinois-Kentucky mining district
By: by Darrell M. Pinckney.
Series: Geological Survey professional paper ; 970; Geological Survey professional paper ;; 970.
Publisher: U.S. Govt. Print. Off.
Published: 1976
Place of publication: Washington
Language: eng
Number of pages: 15
Subjects: Mines and mineral resources -- Illinois.; Mines and mineral resources -- Kentucky.
Notes: Bibliography: p. 14-15.