Exploring Dock 4 was a very different experience, since it was almost all metal.
One thing that made the Eagle Mine unique is the underground mill, left of this picture. As the rocks moved down the mill, they would be turned into finer and finer powder.
The ‘working’ part of the furnaces are about a story above ground level, so the catwalks snake above the tree line.
This little curled yellow thing is one of the last hints that this adobe building was lived in.
Interlocking bricks at the mouth of the stoker-less boiler.
The final ball mill in the Chain O’ Mines concentrator. Behind it was a bucket of steel balls.
Patented in 1965 and produced by Specialized Mass Markets. User would insert token and use a rotary-phone-style dial to enter their token number. The machine would tally the numbers and indicate winners depending on the sum of said numbers. See USPTO US3455557.
Scrappers tried to take this steel pulley out of Fisher, but it proved too heavy.
Part of the Pillsbury tunnel that brought water back to the Mississippi River.