Venture Into a Surreal Salt Mine 2,000 Feet Below Lake Erie by Laura Mallonee from on 2016-05-03 09:05 (#1CM1D) The US dumps about 19.5 million tons of salt on its roads each year. Ricky Rhodes wanted to see where all that salt comes from. The post Venture Into a Surreal Salt Mine 2,000 Feet Below Lake Erie appeared first on WIRED.