NO. 162 SITE OF MOKELUMNE CITY - Established in 1850, its prospects were bright. The second largest town in the county, it had deep water communication with San Francisco all year round, an advantage not possessed by any other town in the county except Stockton. The floods of 1862 destroyed the town.
200 ft N of intersection of Cameron Rd and Thornton Rd, 3 mi N of Thornton
The state plaque is missing, but the stone remains.