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1959. 2018-06-21T17:53:33Z. 2018-06-21T17:53:33Z. National Research Council (U.S.). Division of Earth Sciences. Geological Society of America. English. cartographic image. Public. United States and United States.
1953. 2013-01-17T20:58:23Z. 2015-10-21T15:09:09Z. Holtedahl, Olaf, 1885-1975. Norges geologiske undersøkelse. Norwegian&English. Public. Norway.
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1986. 2018-05-30T20:05:47Z. 2018-05-30T20:05:47Z. Nordkalott Project. Nordkalott Project. English&Swedish. cartographic image. Public. Lapland, Europe, and Lapland. Quaternary and From 2 million years ago.
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