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Keywords from Image Description:
balchen and amundsenellsworth expedition balchenandamundsenellsworthexpedition advent bay adventbay aviation aviator explorer polar explorer polarexplorer bernt balchen berntbalchen balchen SDASM.CATALOG Balchen SDASM.TITLE Balchen and AmundsenEllsworth Expedition SDASM.DATE SDASM.LOCATION Advent Bay SDASM.COLLECTION Bernt Balchen