In the meantime, Hillenbrand cautioned would-be explorers to avoid the mine and its hazardous waste. “The mine is unique because it’s very visible to the public. It’s right off of Highway 299.

This map shows some of the important mines of the gold rush. James Marshall kicked off the California gold rush when he spotted some pea-sized bits of gold in a mill raceway. The news brought ...

A new analysis by the National Parks Conservation Association reveals more than 1,300 mine claims exist within the boundaries of units managed by the National Park Service. In total, 3,700+ claims ...