Stealth will be required for this one if it's a busy day downtown. But then, this is West so we're used to tourists so just pretend to be taking photos.
It will be well worth your while to read the historical marker. Then again, sometimes it's what's behind history that's important.)
Please make sure and replace it as found to keep it hidden.
(coordinates averaged with Explorist GC, accurate to within 6 ft.)