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因银价低,美国冶炼与精炼公司决定关闭加利纳银矿,从1992年7月起矿山进入检修时期,这将影响到215名工人的工作。1991年加利纳矿生产银
Due to the low silver price, the US smelting and refining company decided to close the Gallina Silver Mine, and the mine has been undergoing overhaul since July 1992, which will affect the work of 215 workers. 1991 Galena mine silver