This tunnel goes to the adit over the Eagle River Mills. I bet those carts go fast down here!
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Timbers overlap where mine cars plunged, a strange wooden fence traced the center of the beams.
These copulas made the iron for casting.
I’ve been in a lot of different mines. Some on tours, some not. If you pass through Howardsville, Colorado without going on the Old Hundred Mine Tour, you’re missing out. This is what Santiago Tunnel looked like in the 1940s when it was near the end of its life.
Part of the back of the distribution boards; the rear of a giant remote transformer switch.
This is an elevator to move mine car loads of sand to the surface for cleaning and eventually glass production. Below is a flooded equipment vault. In front and behind is a loop through the larger tunnels in the mine. The horizontal braces supported electric cables for the mine carts.
Ava near the Memorial Building. The block glass embedded in the sidewalk here is actually a skylight for the tunnel below, which connects the Memorial Building to the steam and supply systems of the hospital.
One of the underground creeks in Duluth, somewhere under the East Hillside neighborhood.
Some warnings on the older battery which was visibly older than its eastern counterpart. This set of batteries had no railing between the side of the ovens and a long drop onto railroad tracks… I like this picture because it shows the effects of the heat and corrosive gasses on the area around the ovens.
The bottom of the tailings boom is rotten. In days when the dredge, floated, gangways connected it to shore, it seemed. You can see the size of the pontoons under the boat here.