TY  - BOOK
T1  - Underground mines in the Survant Coal Member (Pennsylvanian) of Indiana /
DA  - 1988.
CY  - Bloomington, Indiana :
AU  - Harper, Denver.
CN  - QE109
CN  - QE109
PB  - Indiana Dept. of Natural Resources,
PP  - Bloomington, Indiana :
PY  - 1988.
ID  - 126438
KW  - Coal mines and mining
TI  - Underground mines in the Survant Coal Member (Pennsylvanian) of Indiana /
ER  -