EntityQ4518872· pop 24· linked from 35 articlesBlack Dolphin PrisonSign in to savecorrectional facility in RussiaConnectionsRussiaCountryKazakhstanCountryRussianEntitygeographic coordinate systemEntityprisonEntitydolphinEntityOrenburg OblastEntityWayback MachineEntityNKVDEntityLos Angeles TimesEntityNational Geographic SocietyEntitylife imprisonmentEntityPugachev's RebellionEntitySol-IletskEntity2021 Kazan school attackEntityromanization of RussianEntitypenal laborEntityRussia-Kazakhstan borderEntitythief in lawEntityREN TVEntityCategoriesBuildings and structures in Orenburg OblastPrisons in RussiaPrisons in the Soviet Union