Today, the former Homestake Gold Mine, a 300-mile (480-kilometer) tunnel system carved inside the mountains, houses the ...

Harrow Hill: a Neolithic flint mine today Neolithic flint mines are the earliest industrial monuments in Britain. First dug into the chalk from around 4000 BC, these shafts were cut in order to ...

The non-grade ore and waste rock can then be used to fill tunnels and shafts in the mine to safely close them and can be used as road base, he said. "We want people to be assured that our ...

The one is the shaft-boring project ... by 17%-plus compared with traditional tunnelling operations. In mining, tunnels are key for accessing mineral resources and providing transportation ...

Another mine that has suffered collapses in the ... to have a steam engine delivered from England to pump out its shafts and tunnels. Flooding nevertheless remained a problem for the Schuylers ...

A proposed mine beneath the Cabinet Mountains Wilderness that has been a beacon of hope for mining proponents and a source of concern for environmental groups could get a green light from federal ...

After hours of hiking through rugged terrain, we stumbled upon a hidden mine entrance—and what we found inside completely changed our plan. The tunnel was ... water-filled shafts, we passed ...

"Mining has continued throughout with production rates at Media Luna ramping up and ore is now being transported via the Guajes Tunnel conveyor. Monthly development rates remain above the budgeted ...

Towns and oversight officials may have required mapping, but early shafts were lit by candles, and compasses were mostly useless due to magnetite in the rock. As a result, mine tunnels may not run ...

Three sinkholes have appeared on the section of Route 80 that opened in 1960. Questions surround the contractor, but is there more to it?

Mention a favourite Oakwood Theme Park ride to anyone over the age of 30 and Nutty Jake’s Gold Mine would be sure to be well at the top of the list. Boarding the little train, riding and rattling ...