It happens in America. This mine finally closed down this year but the economics only worked because the mining operation were not paying anywhere close to eno

It happens in America. This mine finally closed down this year but the economics only worked because the mining operation were not paying anywhere close to enough to mitigate the effects / cost of the resource to sell a 50 pound back of sand at Lowe's for a couple of bucks. http://www.santacruzsentinel.com/article/NE/20170328/NEWS/170329688 http://www.santacruzsentinel.com/article/NE/20170328/NEWS/17...