Since 1961, as far back as state records go, 19 people have died in abandoned mines, and more have been injured. On Friday, Lee, along with the Nevada Division of Minerals and the nonprofit Trout ...

In Pennsylvania, there are at least "5,000 abandoned underground mines." Many more states, including others in Appalachia, plus Nevada and California ... In the gold rush state of Colorado ...

California’s Department of Conservation revenue comes from gold mining, and Nevada’s program receives $10 for every mining claim submitted in the state. Nevada’s abandoned-mine program ...