San Luis Obispo City Councilman John Ashbaugh holds a plaque that a city workman discovered on the creek wall below the bridge connecting Mission Plaza and the Network Mall.
San Luis Obispo City Councilman John Ashbaugh holds a plaque that a city workman discovered on the creek wall below the bridge connecting Mission Plaza and the Network Mall. dmiddlecamp@thetribunenews.com
San Luis Obispo City Councilman John Ashbaugh holds a plaque that a city workman discovered on the creek wall below the bridge connecting Mission Plaza and the Network Mall. dmiddlecamp@thetribunenews.com

Elaborate treasure hunt stems from San Luis Creek plaque

August 15, 2012 8:23 PM