TY  - BOOK
AU  - Munn,Malcolm John
ED  - Geological Survey (U.S.)
TI  - Geology of the oil and gas fields in Sewickley quadrangle,
T2  - Pennsylvania. Topographic and geologic survey. Report
AV  - GA61.P4 A5 no. 1
PY  - 1910///
CY  - Harrisburg
PB  - C. E. Aughinbaugh, printer to the stae of Pennsylvania
KW  - Petroleum
KW  - Geology
KW  - Pennsylvania
KW  - Natural gas
N1  - "Introduction, by I. C. White": p. 13-23
ER  -