Reserves of the Herrin (no. 6) coal in the Fairfield Basin in southeastern Illinois
By: G. J. Allgaier, M. E. Hopkins.
Contributors: Hopkins, M. E., 1928- joint author.
Series: Circular - Illinois State Geological Survey ; 489; Circular (Illinois State Geological Survey) ;; 489.
Publisher: Illinois State Geological Survey
Published: 1975
Place of publication: Urbana
Language: eng
Number of pages: 31
Subjects: Coal mines and mining -- Illinois.
Notes: Bibliography: p. 29-31.
Cover title.