The mine began producing its first gold ore in 2008.
The mines began to close when natural gas lines arrived.
From about 1890, the mine began to be extended below level 9, for which a new incline was needed.
Even when the last mine began to fail, they would think of something.
As the copper boom came to an end, the mines began to close.
That is if his mine can begin producing in time to profit from the rally.
The early mines began to give out in 1769.
During the late 1880s the mines began to close and the population slowly started to drift away.
We're pretty far along on our transition, but mine here today at this podium begins.
However, in the 1920s, the mines began running out of minerals and were shut down.