(CA-40-12) 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. 270’ to the turret on the left side of the road at 284. (N35 07.647 W120 35.026) Photo by Mark & Maggie Comstock 10-7-23.