Coeur uses conventional means to process the ore, first blasting it from open pits and tunnels.
Thomas Duffy, 59, says CBT helped him conquer his fear of bridges and tunnels.
My platoon would assault the main building and clear miles of tunnels underneath the dam.
But countless dangers lurk: poisonous gases, flooded tunnels, explosive vapors and unstable walls and roofs.
ENGADGET: Gemini-Scout robot can scope out mining accidents, may save lives (video)
To ensure functionality in flooded tunnels, Gemini-Scout's controls and equipment needed to be waterproof.
ENGADGET: Gemini-Scout robot can scope out mining accidents, may save lives (video)
Previously unprinted information on German tunnels in the Bailiwick of Guernsey has been released.
The tunnels were still open and operating, Mobile fire officials said in a statement.
Amtrak workers pumped one of the two Hudson River tunnels and reopened it on October 31.
It has taken another week for Amtrak to finish drying out the other three tunnels.
Bin Laden also helped import heavy construction equipment used to dig tunnels and build roads.
The agency also controls a portfolio of seven bridges and two tunnels in the city.
At breakfast time, I walked through the underground steam tunnels to the dining room.
There were no lights in the tunnels on the roads outside the North Korean capital.
The line connecting the two cities is 1, 318 kilometers, including 16 kilometers of tunnels.
Israel says it can be used to build rocket launch pads and military tunnels.
Worse, subway tunnels were flooded and dozens of houses in Breezy Point were on fire.
My surly driver did not help, screaming down narrow streets that were relentless tunnels of gray.
Compared to the power tunnels in Park Royal these tunnels are much larger.
In order to reinforce the rule, bridges, tunnels, and roadways to those areas were shut down.
Architects had to build some 1, 650 bridges and 76 tunnels to overcome the numerous topographical challenges.
BBC: Driving Greece's modern ancient highway, the Egnatia Odos
On the last tour, Clemons was driven around the arena tunnels in a golf cart.
Israel accuses Gaza's Hamas leadership of using the tunnels to smuggle weapons into the Palestinian territory.
For the last two decades, China has built railroads, bridges, dams, ports and tunnels throughout Iran.
Paddick said it wasn't clear whether the bombs were on the trains or in the tunnels.
It said that the department has not sold any disused railway tunnels in the past.
Three badger tunnels are being installed to allow animals to cross under the dual carriageway.
BBC: A11 dual carriageway in Suffolk and Norfolk to be completed
The Mersey Tunnels Users Association (MTUA) is considering organising a protest against the "unfair" decision.
In those tunnels there are now the remains of more than six million people.
The Bakerloo line is baking, with temperatures in its central London tunnels exceeding 32 degrees.
Quite literally: the country is a vast network of tunnels and underground complexes for the leaders.
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