 |
 |
 |
 |
| Berkeley pit,
Butte, Montana. |
Water treatment plant,
Berkeley pit, removes metals from waters filling the pit. |
Close up of water treatment
plant. Pit waters have pH = 2.5 |
Waste rock and tailings dam
above open pit mines. Abandoned head frames in foreground. |
 |
 |
 |
 |
| Anaconda.
Abandoned smelter stack. |
Contaminated Silver Bow
Creek west of Butte. |
Mineral crust formed on
banks of creek due to high metal concentrations in water and soil. |
Close up of mineral crust. |
 |
 |
 |
|
| Copper mineralization of
bones buried along Silver Bow Creek. |
Remediated
portion of Silver Bow Creek. Sediment retention pond. |
Soils were
excavated and removed and the area was revegetated.
|
|
U. Mass Lowell
