Piles of mine waste that loom above the historic Colorado mountain town of Leadville are a reminder of the city’s boom days. Now a company wants to “remine” some of the waste piles to squeeze more ...

The agencies announced in a joint statement on Tuesday that a Final Decision and Environmental Impact Statement analyzing the mining company's proposed changes had been completed.

3 at Giant Mine in Yellowknife is currently being investigated ... of the spill are still being assessed," no water pooling or run-off was found, according to MacInnis. He added that the project ...

The decision comes despite concerns expressed by residents and conservation groups regarding runoff, a tailings dam rupture and downstream flooding. Stillwater Mining Co., a subsidiary of Sibanye ...

More constant is the polluted runoff during spring and summer, when snowmelt from the Mosquito mountains washes through mine dumps and drains from abandoned mines. Every minute, 694 gallons (2,627 ...

LEADVILLE, Colo. (AP) — Rust-colored piles of mine waste and sun-bleached wooden derricks loom above the historic Colorado mountain town of Leadville — a legacy of gold and silver mines ...