The economy of the district is mostly based on mining.

Despite the town's main focus on mining, agricultural activities are present.

In the beginning the city based its economy on mining and commerce.

During that time, much of the economy was based on primitive mining.

Moreover, in their view, a permanent society could not be built on mining.

The economy of the municipality is based on mining and industry.

Historically, the economy in the area was based on timber and mining.

The bill's effect on mining, the desert's biggest industry, would be even more dramatic.

A computer facility showed photographs and there was also a section of books on mining.

In 1898, he was appointed president of the royal commission on mining.