Tracks laid down over the Bay Area shoreline

From: "Joseph Shuster" joeyishuster@gmail.com

I am doing research on the development of the Central Pacific Rail Road, particularly in California. I am currently attempting to understand when and how the tracks were laid down over the Bay Area shoreline (West Berkeley) as I believe that was all marshland back in the 1850's. I was wondering if you guys have any maps of the area, and grading plans, sitework plans, construction plans, land surveys, etc. that could help me distinguish this. ...

—Joey