The purpose of the concentrator was to separate the gold and silver-rich ore from the waste rock. You can tell from the design that the process relies heavily on gravity.
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At Treasure Mountain mine. This collapsed building was likely the 1937 Compressor House, which pushed compressed air and water into the Sanitago Tunnel in the time it was producing.
The spectacular, if precarious, view of downtown Minneapolis from the roof of ADM Annex 4. Note the great messages left by various graffiti artists who made it to the spot.
I believe this is the push car, meaning it would push the charge in the oven out the opposite side into the train car.
Taken just after the sun set over Duluth. Don’t you love that green glow?
One of the smallest of the many elevators in Thunder Bay, this little elevator held corn for the glucose and starch lines.
The side of the maintenance shops, still home to several disassembled electric carts.
Two of the remaining four towers in the projects. Throughout our time there we saw and heard squatters inside and chose not to go in. What do you call a smart choice made in the midst of a dumb choice? There should be a word for that.
The hiking around Central City is beautiful and full of history. Just get a proper topo map!
Train-mounted snowplows pushed the snow through the fence and against the old offices.