I knew I had pictures somewhere of the old abandoned lead mine that I visited a few years back. It was used from 1906-1972, and has since been converted to Missouri Mines State Historic Site. http://www.mostateparks.com/momines.htm




By the way, here is another interesting site I stumbled upon regarding abandoned places. I like this guy’s philosophy about urban exploration.
http://www.infiltration.org/ethics-nodisclaimer.html
http://www.infiltration.org/observations-abandoned.html