EntityQ5327723· pop 6· linked from 3 articlesEast ArmSign in to saverock mass in Mac. Robertson Land, AntarcticaConnectionsAntarcticaEntitygeographic coordinate systemEntityUnited States Geological SurveyEntityUnited States Department of the InteriorEntityGeographic Names Information SystemEntityMac. Robertson LandEntityOperation HighjumpEntityLars ChristensenEntityHolme BayEntityAustralian National Antarctic Research ExpeditionsEntityHorseshoe HarbourEntityCategoriesLandforms of Mac. Robertson LandRock formations of Antarctica