I remember reading about how the South African mines are going deeper and deeper because of the price of gold: http://news.nationalgeographic.com/news/2007/11/

I remember reading about how the South African mines are going deeper and deeper because of the price of gold: http://news.nationalgeographic.com/news/2007/11/071106-africa-mine.html http://news.nationalgeographic.com/news/2007/11/071106-afric... That is back from when gold was ~$500