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天宝山矿档案室工作人员,最近在清理库房时发现了有关矿史方面的三件档案,确认该矿最早开工年份为1889年。这三件档案:一件是1916年9月28日(民国五年)由当时中
The staff of the archives staff of Tianbao Mountain Mine recently found three files concerning the mine history when cleaning the warehouse, and confirmed that the earliest start date of the mine was 1889. The three files: one is September 28, 1916 (Republic of China five years) by then