Page 2 - Mining Building News Today

These 5 manmade holes have proven themselves to be testaments to the human will and skill of engineering, all in all making up over 10 miles of deep excavation. Lucky for us here in the United States, Montana and Utah feature two entries on the list—and you may not expect them.

These 5 manmade holes have proven themselves to be testaments to the human will and skill of engineering, all in all making up over 10 miles of deep excavation. Lucky for us here in the United States, Montana and Utah feature two entries on the list—and you may not expect them.

Have a look at what is believed to be leftovers from the controversial House of Judah camp in Allegan County.....

Have a look at what is believed to be leftovers from the controversial House of Judah camp in Allegan County.....

Have a look at what is believed to be leftovers from the controversial House of Judah camp in Allegan County.....

Creepy enough without having to be haunted, this Detroit slaughterhouse still waits to be renovated...

After 73 years, this facility closed down and now tours are given. It's the only one of its type left in the world: the Quincy Smelter in Michigan's Keweenaw Peninsula!

After 73 years, this facility closed down and now tours are given. It's the only one of its type left in the world: the Quincy Smelter in Michigan's Keweenaw Peninsula!

After 73 years, this facility closed down and now tours are given. It's the only one of its type left in the world: the Quincy Smelter in Michigan's Keweenaw Peninsula!

After 73 years, this facility closed down and now tours are given. It's the only one of its type left in the world: the Quincy Smelter in Michigan's Keweenaw Peninsula!