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Publisher
- The Survey55
- U.S. Geological Survey48
- Nordkalott Project9
- University of the State of New York, State Education Dept5
- The Branch3
- Dept. of the Interior, U.S. Geological Survey2
- Geological Survey of Canada2
- Geological Survey of Irān2
- Geological Survey of Japan2
- Indiana Geological Survey2
- The Division2
- Alberta Society of Petroleum Geologists [&] Geological Association of Canada1
- Army Survey Establishment1
- Bureau de Recherches Géologiques et Minières, avec le concours de UNESCO1
- Bureau de recherches géologiques et minières1
- Commonwealth of Virginia, Dept. of Conservation and Economic Development, Division of Mineral Resources1
- Department of the Interior, United States Geological Survey,for sale by Branch of Distribution, U.S. Geological Survey1
- Dept. of the Interior, U.S. Geological Survey ; For sale by Branch of Distribution, U.S. Geological Survey1
- Edited by the Hungarian Geological Institute1
- El Servizio1
