MI 21.1 1967 HS0816 (NAVD88) Recovered. From the intersection of I-5 and Hwy 132, exit on Hwy 132 West (toward San Francisco). Drive west for 2.9 mi to the Chrisman Rd exit, turn right and drive north for 0.4 mi to the north (far) levee gravel road of the California Aqueduct and the mark on the left.