Below Grand Army Mine is Gold Collar. A ‘collar’ is the braced section around the portal of a mine shaft.
Looking from the crane-motor catwalk into the Calumet. The arm shown here with the pulleys looped through it would have been lowered and the bucket conveyor in it would throw grain to waiting ships and boats bound for flour mills and foreign lands.
A different kind of tree fort.
On the National Mine property are two shafts, both serving the same workings. This one seems to have gotten some upgrades in the 1960s, judging from the condition of the metal.
A collapsing and unstable building.
A view of the Harris offices, complete with great block glass.
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.
The first time I saw Buffalo Central Terminal was from a westbound Empire Builder. In the foreground you can see the rows of platforms.