SIBERIA

vast; region of Ru ian Empire, in N. Asia, r from Ural Mts. to Bering Str. and Japan and Okhotsk Seas, touches Arctic Ocean on N. and Mongolia and Turkestan on S.; 4000 m. by 1900 m.; 4,833,496 sq. in.; watered by Obi, Yenisei, Lena, Amur; chief tns. are Tobolsk, Tomsk (with university), Irkutsk, ana Omsk;