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1862-1924
5
Edmund Otis
5
Hovey
5
Arctic regions
4
Crocker Land Expedition
4
Description and travel
4
Field notes
4
Greenland
4
Scientific Expeditions
4
(1913-1915)
2
(1913-1917)
2
Seismometry
2
Crocker Land Expedition (1913-1917)
1
Greenland -- Description and travel
1
Scientific expeditions -- Arctic regions
1
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