LEADVILLE, Colo. (AP) — Rust-colored piles of mine waste and sun-bleached wooden derricks loom above the historic Colorado ...

The mine waste is often disposed of in large, open piles at the mine. It is an environmental hazard, because metals in the waste can leach into groundwater, fine windblown waste can spread ...

Wind farm operators in Wyoming and across the nation can now bury decommissioned wind turbine blades and other materials at surface coal mines in the state — a solution of mutual benefit to both ...

Earlier this week, during the Association of Mineral Exploration (AME) Roundup conference, Geoscience BC announced the ...

Teracita Keyanna (Diné) has lived a life touched by uranium. Growing up in the Coyote Chapter in the Eastern Navajo Nation, her family members worked in the mine sites before the mid-80s, her ...

The EPA will begin work to remove more than 1 million cubic yards of radioactive waste from sites on the Navajo Nation.

provides an update on its remediation efforts and progress made since a slump occurred in the north wall of the Satinoco dry-stack (waste rock and tailings) pile at its Turmalina mine, as ...

CR-1 and CR-1E encompass fenced areas that include former mining operations, waste rock piles and surrounding contaminated zones. CR-1 spans 42 acres with 147 acres of underground workings ...