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- The Survey11
- U.S. Geological Survey8
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- The Survey ; For sale by Information Services5
- Petroleum Economist3
- South Dakota Geological Survey3
- The Survey ; For sale by Branch of Distribution3
- West Virginia Geological and Economic Survey3
- The Survey : [Books and Open-File Reports Section, distributor]2
- The Survey ; For sale by Branch of Distribution, USGS2
- U.S. Dept. of the Interior, U.S. Geological Survey2
- U.S. Geological Survey ; For sale by U.S. Geological Survey, Information Services2
- American Association of Petroleum Geologists1
- Bureau of Economic Geology, University of Texas at Austin1
- Clason Map Co.1
- Dept. of the Interior, U.S. Geological Survey1
- ESCAP1
- Geological Survey of Alabama1
- Geological Survey of Japan1
