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1958年,东川因矿设为地级市;1998年,东川也成为全国第一个因矿产资源枯竭、经济发展停滞、城市丧失持续发展能力而撤销的地级市,并设为云南省昆明市东川区;2004
In 1958, Dongchuan was classified as a prefecture-level city because of the mine. In 1998, Dongchuan also became the first prefecture-level city in the country to be withdrawn due to the depletion of mineral resources, the stagnation of economic development and the loss of sustainable development of cities. Kunming Dongchuan District; 2004