The discussion of the Tilly Foster Mine can be read here
http://www.ironminers.com/mineforum/viewtopic.php?p=108861
The now deep water-filled pit with of a depth of 600 feet!
A closer look at the mine illustrates its immensity.
Miner CT Mike investigates around its perimeter.
In the distance a dilapidated wooden structure can be seen on the cliff overlooking the mine.
Yet another view of the enormous pit.
Directly north of the main mine are impressive stone ruins.
Adjacent to the ruins, a smaller pit can be seen. Yet it still dwarfs the mine researcher in the background.
A view from farther away.