The wastes generated from both operational and abandoned coal and metal mining are an environmental concern. These wastes. including acid mine drainage (AMD). are treated to abate the devastating effects they have on the environment before disposal. https://www.bekindtopets.com/save-now-2023-Head-Total-Joy-SW-SLR-Pro-Skis-w-Joy-11-GW-Bindings-mega-pick/