The town of Zincton was built to support the mining efforts in the area.

In addition to his mining efforts, Doran worked as a real estate agent.

Doc halted the car for a moment, inspected one of the mining efforts.

Towns grew and mining districts developed in the 1870s around large-scale mining efforts.

The remains of their mining efforts can be seen today at Las Médulas, for example.

"We have neither the expertise to investigate the artifact nor the authority to abandon our mining efforts."

The tintic mining effort had a large effect on Provo's commercial district.

The first mining efforts occurred in Virginia as early as 1608.

The mine was closed by 1905, and most other mining efforts in the area had stopped by 1910.

Their mining efforts were only partially complete when the defence grid activated.