copper mining

Copper mining continued in the area until the 19th century.

R0ros copper mining company had its collection open to the public.

Gold was discovered here in 1882, and copper mining followed.

The environmental impact of ongoing copper mining must be taken into account, he said.

Silver and copper mining were next in importance to gold.

There could also be potential savings across their copper mining operations.

All copper mining was done by underground methods until the early 20th century.

In the 17th century there was some exploratory lead or copper mining.

Copper mining was a highly profitable business, but it did not please everyone.

It was established in 1905 to support the area's booming copper mining industry.

Copper mining is the main branch of the local producing structure.

He spent three and a half years in Zambia for a copper mining company.

Copper mining accounts for the largest number of jobs in Miami.

Chile has some of the lowest copper mining costs in the world.

St Day was a centre for the richest and perhaps most famous copper mining district in the world from the 16th century to the 1830s.

Devoran played an important role in the tin and copper mining industry.

The city prospered with the development of a regional copper mining industry.

Burra is a small country town with a rich copper mining history.

The silver mines shut down in 1877, but the following year copper mining took over.

In the 1820s copper mining developed again in the region.

It also states that the church is historically important for its links with copper mining.

The city's main industry is gold and copper mining.

In isolation, this change has had a significant adverse impact on the copper mining industry.

A copper mining town that has left the surrounding hills bare.

With the arrival of the Spaniards, the area became known for its copper mining.