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- Interior-Geological Survey62
- Research Council of Alberta2
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- U.S. Geological Survey2
- Bundesanstalt für Bodenforschung ; UNESCO1
- Bureau of Mineral Resources, Geology and Geophysics, Department of National Development1
- Central Intelligence Agency1
- Dept. of Economic Development, Maine Geological Survey1
- Dept. of Mines, Resources and Environmental Management1
- Division of Geological Survey and Water Resourcesum1
- Glavnoe upravlenie geodezii i kartografii Ministersva geologii SSSR1
- Indiana Dept. of Natural Resources, Geological Survey1
- Interior--Geological Survey1
- Iowa Geological Survey1
- Maine Geological Survey1
- N.Y.S. Museum and Science Service1
- Ontario Dept. of Mines1
- Ontario Dept. of Mines and Northern Affairs1
- Ordnance Survey of Northern Ireland1
- Printed by the Government Printer1
