Argonaut Mine Tailings Pond

The Argonaut Mine was a gold mine in Jackson, California, United States. The deposit was discovered in 1850, and in 1922 was the site of the worst gold-mining disaster in the state's history. The mine closed in 1942 and, along with the nearby Kennedy Mine, is registered as California Historical Landmark #786.
  • Location: State Route 49, Jackson, California
Data from: en.wikipedia.org