This is a cache along the Clarksburg Branch Line Trail.
Sovle the puzzle below to find it:
Final coords: N38 32.0AB W121 32 5CD
A, B = West Sacramento is part of the Sacramento–Arden Arcade–Roseville Metropolitan Statistical Area which has a population (2000) of approximately 1,7A6,857 (July 1, 2016 estimate placed the population at 2,296,B18).
C = In 184C, a man named James McDowell bought 600 acres (240 ha) from John Schwartz. With his wife, Margaret, and their three daughters, McDowell settled in the area we know today as Broderick.
D = From 1900 to 1920, the population of this area doubled from 1,D98 to 2,638. The West Sacramento post office opened in 1915