TY JOUR TI Scientific study of the mineral resource potential of the European North of Russia in the late XIX - first third of the XX centuries KW mineral resources KW scientific research KW European North of Russia KW Arctic zone of the Russian Federation KW mining industry JO Proceedings of the Komi Science Centre of the Ural Division of the Russian Academy of Sciences AU Filippova, T.P. PY 2026 IS 0 PB FSBI FIC "Komi Scientific Center of the Ural Branch of the Russian Academy of Sciences"