Title: Ugolʹnai︠a︡ promyshlennostʹ Dalʹnevostochnogo federalʹnogo okruga
Subjects: Coal trade, Technological innovations, Economic conditions
Places: Russia (Federation), Dalʹnevostochnyĭ federalʹnyĭ okrug, Dalʹnevostochnyĭ federalʹnyĭ okrug (Russia)