1962. 2015-11-20T18:15:25Z. 2015-12-01T23:06:29Z. Geological Survey (South Africa). Printed by the Government Printer. English. cartographic image. Public. South Africa, Barberspan Lake Region, Ottosdal Region, and África do sul.
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1975. 2015-12-07T15:58:07Z. 2015-12-22T23:09:33Z. Geological Survey (South Africa). Printed by the Government Printer. English. cartographic image. Public. South Africa, Malmesbury Region, Ceres Region, and África do sul.
1945. 2018-02-06T14:35:11Z. 2018-02-06T14:35:11Z. Canada. Bureau of Geology and Topography. Bureau of Geology and Topography. English. cartographic image. Public. Canada, Canada., and Canadá.
1977. 2018-06-14T20:22:28Z. 2018-06-14T20:22:28Z. Isachsen, Yngvar W., 1920-. University of the State of New York, State Education Dept. English. cartographic image. Public. New York (State), Estados unidos;new york (N.Y.), États-Unis, and New York.
1967. 2018-04-24T18:56:08Z. 2018-04-24T18:56:08Z. Ontario. Department of Mines. The Dept. English. cartographic image. Public. Ontario, Algoma (District), Manitoulin (District), Sudbury (District), and Ontário (Canada).
1964. 2018-06-19T18:33:55Z. 2018-06-19T18:33:55Z. Geological Survey (U.S.). Dept. of the Interior, U.S. Geological Survey. English. cartographic image. Public. Alaska, U.S., Alaska., Alasca., and États-Unis.