In 1936, the U. S. BureauofMines took control and started digging.
在1936年，美国采矿办公署进驻而开始挖掘。
2
This paper introduced the design plan and application effect of new type cage bar in Kangjiawan Mine, Shuikoushan BureauofMines.
介绍了水口山矿务局康家湾矿副井罐笼内新型阻车器的设计方案及其应用效果。
3
Those against include the mine operators and the many who work in the mines; mining salaries are, on average, Australia's highest, according to the Australian Bureauof Statistics.