At the Homestake Mine in Lead, scientists experiment in areas like, biology, engineering, and geology. They work in underground facilities that were once used to mine gold.
Research is conducted here year round, they offer tours and exhibits to the public.
Talk to Mike if you have any questions! His number and email are on the above site.
"Homestake Gold Mine," https://www.cbsnews.com/news/south-dakota-mine-gets-repurposed-as-underground-science-lab/