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2by National Science Foundation (U.S.). Office of Polar Programs, National Science Foundation (U.S.). Division of Polar Programs“... jointly by: the Office of Antarctic Programs, National Science Foundation, and United States. Naval...”
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8by Interagency Arctic Research Policy Committee (U.S.)Subjects: “...United States. Arctic Research Commission...”
Published 1987
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9Published 2006“...This report was prepared as an account of work sponsored by an agency of the United States...”
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10by Berke, Obert“...Interest In this topic, The Prussian Immigrant to the United States from 1790 to 1914, dates back...”
Published 1946
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