X 1235 Reset 1997 (not 1996, as indicated by history note in description)	AC5729
37 03 23.3 120 53 26.7
PM 18.19 
Drive 3.6 mi east on Hwy 152 from Billy Wright Rd to a dirt/gravel road on the right.  Turn right and immediately right on a gravel track that goes down, and drive west about 100 ft to the mark on the right and about 10 ft above the track, which is level with the creekbed and goes north between the box culvert walls and under the highway.