coal industry

Of more than 16,500 members around 13,000 work in the coal industry.

The coal industry also left its mark on the town.

He spent the next 23 years working in the coal industry.

The coal industry also played a major role in the first half of the 20th century.

It was used by the coal industry in the 1700s.

In 1955 the brown coal industry developed close to the city.

By the beginning of the 17th century, the coal industry had began to develop in areas near the town.

The coal industry makes up the foundation of the economy.

The coal industry moved away in recent decades, and with it much of the population.

By the late 1950s the coal industry employed more than 80 percent of the working population.