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Miscellaneous References and Mentions

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

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

List of Post Offices in the United States (1870)

Published by the Government Printing Office

Table of U.S. Post Offices in the United States (Jan. 1851)

Published by W. & J.C. Greer, Printers

U.S. Post Offices (Oct. 1846)

Published by John T. Towers

In addition:

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

The GNIS database contains an entry for Petra. See our Misc Page for Petra for more information.

Footnotes ...

<1>	A copy of the Blevins & Helbock Post Office list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/