The oil regions of Pennsylvania.
- Notes:
- 275 p. 12 cm.
- Data Provider:
- University of Michigan. Libraries
- Collection:
- New York,: Harper & brothers, and Ann Arbor, Michigan: University of Michigan Library
- Subject Topic:
- Petroleum -- Pennsylvania.
- Language:
- eng
- Rights:
- http://quod.lib.umich.edu/t/text/accesspolicy.html
- URL:
- http://name.umdl.umich.edu/AEK6793.0001.001