Structure of Herrin (no. 6) Coal seam near Duquoin
By: by D. J. Fisher.
Publisher: Schnepp & Barnes, printers]
Published: 1925
Place of publication: Urbana, Illinois; [Springfield
Language: eng
Number of pages: 34
Subjects: Coal -- Illinois.
Other titles: Herrin (no. 6) Coal seam near Duquoin.
Notes: At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey.