Open-File Report OFOG 07–01.1

Subsurface Rock Correlation Diagram, Oil and Gas Producing Regions of Pennsylvania

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Suggested Citation: Carter, K. M., 2007, Subsurface rock correlation diagram, oil and gas producing regions of Pennsylvania: Pennsylvania Geological Survey, 4th ser., Open-File Report OFOG 07-01.1, Available online.indexcover.jpg

The Drake Well, drilled in Titusville in 1859, encouraged oil and gas exploration throughout western Pennsylvania and spawned the modern petroleum industry. Pennsylvania's Oil Heritage Region (highlighted in black) celebrates early accomplishments by Drake and others in this burgeoning industry.