Miscellaneous References and Mentions

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

Note: When we started collecting data about Challenge, 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 Challenge:
Services available in 1895: had a Post Office, no Railroad mentioned

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

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