Title: Sbornik po geologii Sibiri, posvi͡ashchennyĭ dvadt͡satipi͡atiletnemu i͡ubilei͡u nauchno-pedagogicheskoĭ dei͡atelʹnosti prof. M.A. Usova
Subjects: Geology
Places: Russia (Federation), Siberia
People: M. A. Usov (1883-1939)