Directory of coal producers in Indiana.
APA Citation
Wier, C. E. (Charles Eugene)., Hasenmueller, W. A., Indiana. Geological Survey. Directory of coal producers in Indiana. Bloomington, Ind.: Indiana Geological Survey.
MLA Citation
Wier, Charles E. (Charles Eugene), 1921-, Walter A Hasenmueller, and Indiana. Geological Survey. Directory of Coal Producers In Indiana. Bloomington, Ind.: Indiana Geological Survey,
Warning: These citations may not always be complete (especially for serials).