Miscellaneous References and Mentions

While our initial information about Signal came from various goverment sources (GNIS, FIPS), we also found mention of Signal 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 Signal. We hope that they will be useful to you.

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

Business Atlas and Shippers' Guide (1895)
Published by Rand McNally & Co.

A note taken from the Shipper's Guide for Signal:
Services available in 1895: had a Post Office, no Railroad mentioned

Shell Oil Road Map for Arizona (1956)
Published by Shell Oil Company

Signal 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 Signal. See our Misc Page for Signal for more information.