The Mining Legacy. . The ore-extraction process also carries the legacy of pollution. In particular, tailings are leftovers from crushing and chemically treating ore to extract valuable metals such as silver. This fine-grained material, which has …
Neihart Mining District's Heyday. . Rich veins of silver were mined in the Historic Neihart Mining District for a fifty-year period beginning in July 1881. Remnants of the first claim, the Queen of the Hills mine, are located just a few hundred ya…