Suiyuan (swāˈyüänˈ) [key], former province (c.126,000 sq mi/326,340 sq km), N China. The capital was Guisui (Hohhot). The region of Suiyuan, part of Inner Mongolia, is chiefly a high arid plateau; it comprises the Ordos desert region in the southwest, grazing areas in the north, and a fertile belt along the Huang He (Yellow River), which crosses Suiyuan from west to east. Livestock raising and the growing of grains, chiefly wheat, support most of the people. Several roads and a railroad to Beijing provide communications with E China. Suiyuan was overrun (1937) by the Japanese, who included it in Monjiang (Mongol Border Land). In 1954 it was made part of the Inner Mongolian Autonomous Region.
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