Clason Map Co. Scale [ca. 1:1,267,000] Relief shown by hachures. "Principal auto roads shown in red. Oil and gas fields shown in orange."--Lower margin. Includes ... Clason Map Co.
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2003. Petroleum Economist Ltd. Deutsche Bank Relief shown by gradient tints. Depths shown by gradient tints.On upper left corner: Petroleum Economist Car... London : Petroleum Economist Ltd., 2003.
2001. Ohio. Division of Geological Survey. State of Ohio, Department of Natural Resources, Division of Geological Survey. "Publication date: 02/01." Scale not given. "Larger versions of this... Ohio. Department of Natural Resources.
2002. Petroleum Economist Ltd. Saudi Aramco. Relief shown by gradient tints. Depths shown by gradient tints. On upper left corner: Petroleum Economist Ca... London : Petroleum Economist Ltd., 2002.
1942. United States. Office of Strategic Services. Research and Analysis Branch. Geography Division. United States. Board of Economic Warfare. North Deci... [Washington, D.C.] : Office of Strategic Services, Branch of Research and Analysis, 1942.