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The Commemorative Quarter for Virginia







Miscellaneous References and Mentions

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

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

Note: When we started collecting data about Callao, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete.

 

Rand McNally Map of Virginia (1911)
Published by Rand McNally & Co.

Callao 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 Callao. See our Misc Page for Callao 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/