TY  - BOOK
ED  - Pennsylvania.
TI  - Geologic map of southwestern Pennsylvania
T2  - Its Report
AV  - GA61.P4 A5 no. 2
PY  - 1914///
CY  - Harrisburg, Pa.
PB  - W. S. Ray, State Printer
KW  - Geology
KW  - Pennsylvania
N1  - At head of title: Topographic and Geologic Survey of Pennsylvania; Text and plates are in portfolio
ER  -