Miscellaneous References and Mentions

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

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

North American Railroad Atlas - Northeast
Written by: Walker, Mike
Published by RailfanDepot, 2020
(Available from Amazon.com)

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

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