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Keywords from Image Description:
balchen and slede balchenandslede balchen designed this sledge for emergency transport of supplies in event the south pole. flight was forced to land. here he is working with sverre strom. balchendesignedthissledgeforemergencytransportofsuppliesineventthesouthpoleflightwasforcedtolandhereheisworkingwithsverrestrom SDASM.CATALOG Balchen