A-erh-t'ai

The real purpose of building this railway on the part of the Japanese imperialists at that time was to spy on the Mongolian People's Republic and to transport the timber produced in the A-erh-t'ai forest zone.[…]The principal cargo consists of cut timber from the A-erh-t'ai-shan, and the cereal products of Wu-lan-hao-t'e.

Source: wiktionary

In the mountain region of A-erh-t'ai Shan and Hsiang-t'ien Shan⁷, if the mean west wind velocity is five meters per second, the high tendency at 700mb on the anterior mountain slope may exceed 40 meters in 12 hours.

Source: wiktionary

Veteran herdsman K'o-k'o-tzu of Teng-t'a commune was famous for his "geographic knowledge; he knows many peaks, wate^([sic]), roads, and prairies in central A-erh-t'ai (Altai) Mountain region.

Source: wiktionary

The O-erh-ch'i-ssu River begins in the southern section of the lofty A-erh-t'ai Mountains of Sinkiang. This river is over 2,900 kilometers long and has a large delta area rich in minerals such as gold, iron, copper, lead, zinc, mercury, mica, crystal and "ping-chou-shih" [3056 3166 4258 possibly cryolite]. At the source of the O-erh-ch'i-ssu River, the A-erh-t'ai Mountains reach more than 3,000 meters above sea level. The peaks of the mountains are covered with snow year-round, and rainfall is heavy in the summer.

Source: wiktionary