He says coal and carbon are found together under rock varnish.

The last live coal he had needed had been found by chance; fires were rare in hot weather.

In March 1874, coal had been found at the Valkenburgerweg.

It was founded in 1882 after coal was found near the area.

Coking coal has been found in the north of the fault.

Locals have stated that no coal at all was found!

The coal is found at a shallow depth which made mining in the area relatively easy.

Oil, coal, and slate are found in the surrounding area.

Land owners wished to know if coal might be found on their holdings.

The sign contains the following text: "In 1883 the first coal was found here.