Learn About
The Commemorative
Quarter for
California

Miscellaneous References and Mentions

While our initial information about San Ysidro came from various goverment sources (GNIS, FIPS), we also found mention of San Ysidro in various books and other sources.

We've created the following list to keep track of the sources that proved useful in adding to our knowledge about San Ysidro. We hope that they will be useful to you.

Note: Initially, we were careless about keeping track of where our San Ysidro data came from. The following list of references and mentions is incomplete.

SPV's Comprehensive Railroad Atlas of North America - California & Nevada

Written by: Walker, Mike
Published by Steam Powered Video (SPV), 2002
(Available from Amazon.com)

In addition:

San Ysidro is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1>

Both the GNIS and FIPS databases contain entries for San Ysidro. See our Misc Page for San Ysidro for more information.

Footnotes ...

<1>	A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/