Message posted by Chad on January 18, 2018 at 11:42:46 PST:
I believe your hunch that they pre-date hwy 375 is a good one. Those are fairly old markers indeed. I would say those markers date sometime between 1950s-70s sometime before sr25 became 375....
In Reply to: Asking for help identifying markers posted by Joerg (Webmaster) on January 18, 2018 at 10:26:07 PST: