Ernest de Koven Leffingwell
1875 – 1971
Who was Ernest de Koven Leffingwell?
During the period from 1906 to 1914, Leffingwell spent 9 summers and 6 winters on the Arctic coast of Alaska, making 31 trips by dog sled and/or small boats. He created the first accurate map of a large part of the Alaskan arctic coastline. He was the first to scientifically describe permafrost and to pose theories about permafrost which have largely proven true. He accurately identified the oil potential of the North Slope region of Alaska.
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- Jan 13, 1875
- United States of America
- University of Chicago
- Trinity College
- Jan 27, 1971
on July 23, 2013
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