No, the scary thing is that during various political upheavals, maps have been mislaid and now some of the locations are lost.

Not that I'm saying you should be worried about any dangers, be they windblown or of terrorist origin. If you were a terrorist, would you journey halfway around the world into the coldest inhabited country in the world, just to look for old RTG lighthouses that have been misplaced, just so you could put the strontium in a dirty bomb?