In the instance of the Mansfield Coal and Mining Company, a shaft of ten feet in diameter has been sunk to the depth of 171 feet, at the bottom of which they have driven a tunnel laterally to the ...

By 1908, the Hell Gate Coal Co. was established, employing eight men and operating a power line and a 300-foot tunnel to mine the coal, which was then distributed in town by a horse-drawn wagon.

Etched into ceilings of the mine shafts is the largest intact ... Miners are finished extracting coal here, and the sides of the tunnel have been sprayed with quicklime to suppress explosive ...

Miss Shaul had heard stories about the anthracite coal mines in her classmate’s hometown ... and the party disembarked to walk a short distance into the tunnel. They were met by Edwin Thompson ...

South Korea is transforming abandoned coal mines into testing grounds ... conducted a demonstration inside the tunnel of the former Hamtae mine in Taebaek, Gangwon Province, in late March ...

A new way of seeing the history of anthracite coal mining brought Pam Hummell ... capture the 1300-foot descent into the mine along with its half-a-mile tunnel system. "Just take people on what ...

Hundreds of years later, Underground Miners, a dedicated nonprofit of volunteers consisting of miners and coal mine enthusiasts, will demonstrate the vintage lighting miners used to dig for ...