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16Published 1937“... arctic coast but other points in Alaska reported clear skies. Army signal corps officers here had...”
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Text -
17“...On verso of image: Approved for Release: Alaska District Corps of Engneers, U.S. Army, Anchorage...”
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Other/Unknown Material -
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19by Cysewski, Margaret Hope“... influence, and early comprehensive research by the Permafrost Division of the U.S. Army Corps of Engineers...”
Published 2013
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