I've seen at least a couple of these on the back of pickups. Saw one today. It's a little difficult to tell from the picture but the flag is entirely black and white except for the one white stripe that's colored red -- the blue is black and all the reds are black. I assume this is supposed to be a message. Does anyone know what that message is?
Define "overlapping zones". You won't be able to move it to within 528' of another cache, regardless of which one was there first. If you draw a 528' circle around each cache, the circles can overlap (Venn diagram style), but neither circle can overlap the center of the other.
Thanks for the info. I believe I can find a place that's within 528 feet. One of the problems is two other caches already overlap into my zone. And I'm guessing if I move into the overlap it may raise flags. My cache was there long before the overlapping ones but those technicalities never influenced Prime Reviewer.