A working mine from the 1880s to the 1960s, Soudan was donated to the state in 1963 by U.S. Steel, and the state preserved the national historic site as an educational facility and state park. In 1980 ...

San Manuel Mine was once the world’s largest underground copper mining operation in size of ore body, production capacity and infrastructure.

A conservation group says it will pay $60 million to buy land outside the Okefenokee Swamp from a mining company that spent ...

The Conservation Fund, a national nonprofit, agreed to pay $60.1 million for 7,765 acres near the Okefenokee Swamp once ...

A coalition of 16 environmental organizations formally challenged the federal government’s environmental review of the ...

The Hill-Annex Mine State Park in Minnesota was founded to showcase mining history. Today, it’s part of active mining plans that would remove it not only as a state park, but from the earth.

Sources. Alvarado Mine. 2008-01-0350, James Doyle Sell mining collection, Arizona Geological Survey. Alvarado Mine. 1999-01-0375, Cambior Exploration USA Inc. records, Arizona Geological Survey.

BILLINGS — State regulators have given final approval to a 70-million ton expansion of a southeastern Montana coal mine that provides fuel to the Colstrip power plant.

Slovenia is an underrated destination that is perfect for anyone looking to reconnect with nature. This mountain even offers ...

Tim Urbaniak was working on a technical project with the Carbon County Historical Museum several years ago when then-director Penny Redli brought out old survey maps of coal mines under ...

MISSOULA (LEE) -- Seven years after the Beal Mountain Mine near Anaconda shut its doors, officials are still struggling to complete the cleanup at what was once touted as an ...