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- The Survey207
- Geological Survey of Canada114
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- Dept. of the Interior, U.S. Geological Survey31
- United States, Department of the Interior, Geological Survey28
- Geological Survey21
- Canada Department of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography19
- Printed by the Government Printer14
- Mineral Development Division, Department of Mines and Energy13
- The Survey ; Information Services [distributor]13
- Research Council of Alberta11
- The Survey : [Books and Open-File Reports Section, distributor]11
- Mineral Development Division10
- Ontario Dept. of Mines9
- U.S. Dept. of the Interior, Geological Survey9
- Dept. of Mines8
- Kentucky Geological Survey8
- The Survey : [Books and Open-file Reports Section, distributor]8
- Tryckt i Gen. Stabs. Litogr. Anstalt8
- U.S. Geological Survey ; For sale by Map Distribution8
