IT WAS #688 TAKEN DOWN..
SLIDE:
https://laist.com/news/la-history/manson-family-guide-where-they-are-now#van-houten
Your Guide To The Manson Family Members — And Where They Are Now
H/T Freest Republican
Who was talking about salt domes?
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https://smri.memberclicks.net/assets/docs/Abstracts/2021/Spring/MP2021S_Checkai_abstract.pdf
https://freerepublic.com/focus/news/4189519/posts?page=67#67