5 Notorious Dive Sites Infographic: https://grapact.com/5-notorious-dive-sites/

https://www.theguardian.com/world/2017/aug/26/blue-hole-red-sea-diver-death-stephen-keenan-dahab-egypt

https://www.wkyc.com/article/news/local/beautiful-but-deadly-divers-fight-to-keep-floridas-underwater-mt-everest-open/95-396724366

https://www.nationalgeographic.com/adventure/destinations/united-states/florida/two-divers-die-in-eagles-nest-cave/

https://www.tampabay.com/news/publicsafety/accidents/Diver-from-Dover-dies-in-treacherous-Eagle-s-Nest-cave_164694119/

https://www.tampabay.com/news/publicsafety/accidents/man-dies-at-treacherous-eagles-nest-cave-diving-site-in-weeki-wachee/2308909/

http://www.cavedivers.com.au/shaft

http://www.cavedivers.com.au/sites/default/files/TheShaft.pdf

http://www.cavedivers.com.au/sites/default/files/ShaftHistory.pdf

https://www.researchgate.net/figure/Map-of-The-Shaft-See-Fig-1-for-location-Additional-data-provided-by-T-Payne-and-C_fig5_223792524

https://magazine.diviac.com/the-10-most-extreme-dive-sites-in-the-world/

Jacob’s Well — one of the most dangerous diving spots in the world

https://en.wikipedia.org/wiki/Jacob%27s_Well_(Texas)

https://haysmn.org/archive_-newsletter-nov2018