This article was originally published with the title “ Ancient Salt Mines of the Indians ” in Scientific American Magazine Vol. 135 No. 2 (August 1926), p. 116 doi:10.1038 ...

Beneath the waters of Cayuga Lake, a salt mine that has been in operation for over 150 years is working tirelessly to meet the increased demand. Shawn Wilcyznski, facility manager at Cargill in ...