TY  - BOOK
AU  - Carll,John F.
AU  - Randall,F.A.
AU  - Lesley,J.P.
AU  - Randall,F.A.
AU  - Lesley,J.P.
TI  - Report of progress in the Venango county district
T2  - Report of Progress / Geological Survey of Pennsylvania
AV  - QE157 .A16 vol. I
PY  - 1875///
CY  - Harrisburg
PB  - Published by the Board of Commissioners for the Second Geological Survey
KW  - Geology
KW  - Pennsylvania
KW  - Venango County
KW  - Petroleum
N1  - Includes index; At head of title: Second Geological Survey of Pennsylvania: 1874
ER  -