Caleb Uerling, a fisheries biologist for Montana Fish, Wildlife & Parks, believes the high conductivity of treated Berkeley ...

Caleb Uerling, a fisheries biologist for Montana Fish, Wildlife & Parks, believes the high conductivity of treated Berkeley Pit water discharged into Silver Bow Creek could affect trout.

Gardner persuaded Dennis Washington to buy the Butte mine in 1985 and then served as president of Montana Resources.

Surface waters that drain this area contain heavy metal contaminated mineral nanoparticles. Such environmental nanoparticles contribute to the transport of these metals up to 500 km downstream.

MISSOULA — It would dwarf the Berkeley Pit: A hole blasted and dug into the ... known copper deposit in the world? Just look at Butte. The copper extracted from the “Richest Hill on Earth ...

To see the best of Butte, Montana, all Joyce OBill has to do is ... the mile-long crater on the east side of town known as the Berkeley Pit, or just the pit, a former open-pit copper mine almost ...

Snow geese fly along the bank of the Berkeley Pit's toxic waters, in Butte, Montana, Nov. 30, 2016. Credit: Walter Hinick /The Montana Standard via AP Thompson of Montana Resources said the geese ...

The town of Anaconda, Montana, doesn't have the most ... It wasn't as hard-hit — environmentally — as neighbor Butte (home to the unfortunate Berkeley Pit, a highly toxic superfund site ...

A great flock of snow geese traveling south came upon a small body of water in Butte, Mont. They swirled and landed on the water. However, this was no ordinary pond This advertisement has not ...

Mark Thompson, vice president of Environmental Affairs for Montana Resources in Butte, readily acknowledged ... in treating water pumped from the Berkeley Pit. But Thompson said the volume of ...