Submitted by dpawaters t3_10mrls8 in pittsburgh
Not sure how feasible it really is (have heard mines are flooded and structurally unsound) but it would be super cool if they could repurpose them for something like this. https://www.popularmechanics.com/science/energy/a42613216/scientists-turn-abandoned-mines-into-gravity-batteries/
tesla3by3 t1_j64rub2 wrote
There is a company called Iron Mountain that uses mines for record storage. They store paper, media like film and tapes, etc. Clients include the federal government, film companies, private companies.