RE: whats upif tailing ponds are valuable, you could get rich easily, there are a great # of tailings ponds in the world.
go buy them all, they could be got for nothing if the ore is mined out, list them on ebay they sould make you rich!!!
after all there will be alot of demand for them when all these new mines open.
hahhahahahahahahahahahahahahaha!!!!! good luck bt.