[thackney]

Not Mont Bellvieu, but in Hockley.

Actual mining like a coal mine.

http://www.unitedsalt.com/site/html/loc_hockley.htm

http://www.mdcampbell.com/hockleysaltdometrip.pdf

[humblegunner]

Maybe it isn’t anymore..

Had to go back to ‘88 to find a decent mention of it...

http://www.nytimes.com/1988/11/28/us/chemicals-in-salt-caverns-hold-pain-for-texas-town.html