Wagner, W. R. and W. S. Lytle. Geology of Pennsylvania's Oil and Gas. Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1980.
Citation Type: Book
Referenced in:
Striking Oil
Wagner, W. R. and W. S. Lytle. Geology of Pennsylvania's Oil and Gas. Pennsylvania Department of Environmental Resources, Bureau of Topographic and Geologic Survey, 1980.
Citation Type: Book
Referenced in:
Striking Oil