| The decline had partially filled with tailings and other debris while underwater, necessitating significant rehabilitation. |
| We've come to the Kennedy Mines Tailing Wheels, which were once these four huge wheels that carried the tailings, or residue, from the mines. |
| Then, in the early twentieth century, cleanup crews hauled away the tailings from the gold mine, leaving a depression that created a lake. |
| The lake by the doorway was barely more than a large pond now, heavy and odorous with effluents leached from the tailings by rains. |
| Mine wastes have been generated over the last several centuries of mining, the two primary mining wastes being mine tailings and waste rock. |
| The uranium tailings damage the lining of the lung and increase the risk of developing cancer when breathed in. |
