The Atomic Priesthood?

I saw an image from Afterculture—unfortunately, while the front page is up right now, it doesn't look like any of the other pages are, so I can't find it—that showed a lake in the background, and in the foreground, a rock painted with the black and yellow trefoil indicating radioactivity.

That sprang to mind again when I read "The Elephant's Foot," about "the inhuman spans of time across which matter remains radioactive," and the challenges that presents. After the 2003 blackout, air quality improved by a tremendous amount in just 24 hours. Most of the environmental impacts we see today will heal quickly, as soon as the damage stops. A few notable exceptions stand out, though: the impact of nuclear power plants chief among them. Which brings me to this bit:

Indeed, semiotician Thomas Sebeok once proposed the creation of an "atomic priesthood" whose responsibility, for thousands of years to come, would be to pass on information about sites of nuclear waste storage and contamination using a combination of myths, folklore, and annual rituals.