TY  - BOOK
AU  - Powell, Richard L.
CN  - GB605.I6
CN  - GB605.I6
CY  - [s.l. :
DA  - 196-?]
ID  - 10680
KW  - Caves
KW  - Speleology.
N1  - "Reprinted from the Indiana sesquicentennial volume, Natural features of Indiana, Indiana Academy of Science, State Library, Indianapolis, Indiana."
PB  - s.n.,
PP  - [s.l. :
PY  - 196-?]
T1  - Caves :speleology and karst hydrology /
TI  - Caves :speleology and karst hydrology /
ER  -