Reactors from nuclear subs might be a good place to start. Now we bury them for a period of at least 600 years. And there is plenty more from conventional nuc

Reactors from nuclear subs might be a good place to start. Now we bury them for a period of at least 600 years. And there is plenty more from conventional nuclear power stations. https://virtualglobetrotting.com/map/disposal-site-for-nuclear-submarine-reactors/ https://virtualglobetrotting.com/map/disposal-site-for-nucle...