TY  - BOOK
AU  - Fisher,Daniel Jerome
TI  - Structure of Herrin (no. 6) Coal seam near Duquoin,
AV  - TN805.I3 F5
PY  - 1925///
CY  - Urbana, Illinois, [Springfield
PB  - Schnepp & Barnes, printers]
KW  - Coal
KW  - Illinois
N1  - At head of title: State of Illinois. Department of Registration and Education. Division of the State Geological Survey
ER  -