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Alaska
2
Aviation
2
Carl Ben Eielson
Fairbanks
2
George H. Wilkins
Northwest
2
Pacific -- History -- 20th century
Point Barrow
2
Spitzbergen
2
Arctic ocean
1
Australian aviator-explorer
1
Mr. Roosevelt
1
Robert B. Woolverton
1
Seward
1
Sweard
1
arctic explorer
1
atmospheric conditions
1
aurora
1
aviator
1
aviator-explorer
1
blind spot
1
exchange message
1
interior country
1
machine troubles
1
north pole
1
radio communication
1
third attempt
1
top of the world
1
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