And before 20th century–salt mining technology was developed, extracting subterranean stores of salt was very difficult. Ancient Roman soldiers were paid in salt.

A once-obscure salt mining hub that supplied Louisiana's petrochemical corridor for decades with needed brine, the salt dome operations in Assumption came under intense scrutiny after the sinkhole ...

Salt mining is very simple. What is most important to understand is there is no risk with grade, metallurgy, strip ratios, processing and mining methods like mining other metals or materials.

The new mining planned by Boardwalk will eventually leave inside the salt dome two cigar-shaped cavities each 250 feet wide and 5,000 feet long, the permit application says.

No question, when it comes to salt, buy local. ... Offcanvas Menu Close. Kennebec Journal and Morning Sentinel. 52° Forecast ...