(CA-40-14) in Arroyo Grande, San Luis Obispo County, CA. Branch St. W. 0.3 miles from jct with Grand Av., right on Old Ranch Rd. 0.35 miles, right on Mercedes Ln. 0.1 miles to the turret on the right side of the road at 273. (N35 07.660 W120 34.983) Photo by Mark & Maggie Comstock 10-7-23.