This is a puzzle cache along the Clarksburg Branch Line Trail. Solve the puzzle below in order to find the cache.
Final coords: N38 32.4AB W121 32.3CD
A=Distance (rounded to nearest whole number) from the North end of the trail at Locks Dr. to the current (as of 2021) South end near S. River Rd and Gregory Ave. (+1.5)
B=Second letter of the name of the river just East of this location (-1)
C=First word length of the former Railroad that owned the tracks that were here (+2)
D=Name of the high school just north of this location - (second word length-3)