That's where they are Paul, good detective work.
Note that you can see the shadows of a water tower and a radio tower in the Google map, both of which are clearly visible in this
video of a guy driving around in his truck listening to some sort of vomit rock (this was the first video that I discovered about all this crap).
And yeah, one of the videos said FEMA and another claimed the CDC... I just went with FEMA for the thread title because the first video I saw rambled on about FEMA.... sorry for any confusion about this stuff.