EntityQ5073306· pop 6· linked from 3 articlesChapman RidgeSign in to saveridge in AntarcticaConnectionsgeographic coordinate systemEntityUnited States Geological SurveyEntityInternational Geophysical YearEntityDouglas MawsonEntityUnited States Department of the InteriorEntityGeographic Names Information SystemEntityMac. Robertson LandEntityMawson StationEntityLars ChristensenEntityPhilip K. ChapmanEntityBritish Australian and New Zealand Antarctic Research ExpeditionEntityAustralian National Antarctic Research ExpeditionsEntityAustralian Antarctic Names and Medals CommitteeEntityTschuffert PeakEntityByrd HeadEntityCategoriesRidges of Mac. Robertson Land