H/T Freest Republican
Who was talking about salt domes?
~~~~~~
https://smri.memberclicks.net/assets/docs/Abstracts/2021/Spring/MP2021S_Checkai_abstract.pdf
https://freerepublic.com/focus/news/4189519/posts?page=67#67
Sorry, just saw this now-
Wonder Warthog asked about them.