Miscellaneous References and Mentions

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

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

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

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