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- The Survey ; For sale by Branch of Distribution18
- The Survey16
- The Survey ; For sale by Branch of Distribution, USGS8
- Geological Survey of Canada6
- The Survey : [Books and Open-File Reports Section, distributor]4
- The Survey : [Books and Open-file Reports Section, distributor]3
- Mineral Development Division, Department of Mines and Energy2
- The Division2
- U.S. Geological Survey2
- U.S. Geological Survey : [Books and Open-File Reports Section, distributor]2
- Bureau of Economic Geology, University of Texas at Austin1
- C.E.C.O., Centro de Estudos de Geologia Costeira e Oceânica, Rio Grande do Sul Univ1
- CCGM : Unesco1
- Dept. of Conservation, Maine Geological Survey1
- Dept. of the Interior, U.S. Geological Survey1
- Dept. of the Interior, U.S. Geological Survey ; For sale by Branch of Distribution, U.S. Geological Survey1
- Direktorat Vulkanologi1
- ESCAP1
- Geological Society of South Africa1
- Geological Survey Branch, Newfondland Dept. of Mines and Energy1
