Yumen

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Yumen

(yü-mŭn), city, NW Gansu prov., China. It was long one of China's leading petroleum centers, with oil fields and refineries, but output has steadily declined since the 1960s. Yumen, on the Old Silk Road to Xinjiang, is named for an ancient gateway in the nearby Great WallGreat Wall of China,
series of fortifications, c.3,890 mi (6,260 km) long (not including trenches and natural defensive barriers), winding across N China from Gansu prov. to Liaoning prov.
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. It is on the railroad that connects Lanzhou and Xinjiang.
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The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.

Yümen

 

(also Laochiinmiao), a city in Northwest China, in Kansu Province. Yiimen is served by the Lan-Shin (Lanchou-Urumchi) Railroad. An oil-field center since 1939, the city is linked to Lanchou by an oil pipeline and has two refineries. After new oilfields, such as Tach’ing, were developed in Northeast China in the 1960’s, Yümen lost its importance as the chief center of the petroleum industry of the People’s Republic of China.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.