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1
Johannessen et. al, "Arctic Climate Change," 328.
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2
Arctic Climate Impact Assessment, Executive Summary p.10, 2004
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3
Circum-Arctic Resource Appraisal Fact Sheet, 2008
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4
Arctic Gold Rush, p.63, 2009
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5
ACIA Report, chapter 13
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6
National Security Presidential Directive 66, January 2009.
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