We think that we have problems with the sudden appearance of sink holes.
www.mining.com/insane-pictures-of-russian-potash-mine-disaster-96066/
www.mining.com/insane-pictures-of-russian-potash-mine-disaster-96066/
Tommy said:That's a whopper! Wonder what the value of the surrounding property is now
On the subject of sink holes, is the Foolow hole filled in yet? Any mine or civil engineers know how long something that size will take to settle?
nickwilliams said:They refer to it as an 'engineered fill' - basically they've put big rocks at the bottom and smaller ones on top.