That is really cool! The Quincy was 1.75 miles deep when it ceased operation, Wikipedia a great! Do they still offer tours into the mine? You took some great pictures, I love the giant hunk of ore in front that's oxidized green from all of the copper.
On Wikipedia they had a picture of this hunk of native copper out of the mine, that would have been fun to have found!
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This is the copper I brought home from the up many years ago. I stopped to buy some Jam from a woman that was selling it in her front yard at a roadside table and she had these on the table to sell also. She said her husband had found them in the creek.
