EntityQ7512331· pop 8· linked from 3 articlesSigma IslandsSign in to saveIsland group in Palmer Archipelago, AntarcticaConnectionsAntarcticaEntitygeographic coordinate systemEntityAntarctic Treaty SystemEntityUnited States Geological SurveyEntityGeographic Names Information SystemEntityterritorial claims in AntarcticaEntitylist of Antarctic and subantarctic islandsEntityPalmer ArchipelagoEntityScientific Committee on Antarctic ResearchOrganizationMelchior IslandsEntityComposite Gazetteer of AntarcticaEntityEta IslandEntityCategoriesIslands of the Palmer Archipelago