Mennonite Settlements in Imperial Russia (p. 38)

The Ural River and the Ural Mountains form the border between European and Asiatic Russia. The settlements near Tashkent, Ak Metchet and Aulie Ata were founded during the 1880’s, and the settlements near Omsk were founded after the completion of the western portion of the Trans-Siberian Railway in the 1890’s.