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Publisher
- Surveys and Mapping Branch,5
- Hart Energy Publishing4
- [Jerusalem] : [s.n.], 2003.3
- [Jerusalem] : [s.n.], July 2003.3
- Commonwealth of Pennsylvania, Dept. of Environmental Resources, Office of Resources Management, Bureau of Topographic and Geologic Survey,1
- Commonwealth of Pennsylvania, Dept. of Internal Affairs, Bureau of Topographic and Geologic Survey,1
- DCNR,1
- Geological Survey of Canada,1
- Harrisburg, Pa. : Commonwealth of Pennsylvania, Dept. of Environmental Resources, Bureau of Topographic and Geologic Survey, 1953.1
- Ledbury, England ; Houston, Tex. : Oilfield Publications Limited, 1984.1
- London : Clarkson Research Services, 2013.1
- London : Petroleum Economist Ltd., 2003.1
- Ottawa, Ont. : Geological Survey of Canada, 1970.1
- U.S. Dept. of the Interior Geological Survey,1
- U.S. Geological Survey ;1
- Wyoming State Geological Survey,1
- [Sacramento] : [California Division of Oil and Gas], 1995.1
- [Washington, D.C.] : [Central Intelligence Agency], 2001.1