Miscellaneous References and MentionsWhile our initial information about Costonia came from various goverment sources (GNIS, FIPS), we also found mention of Costonia 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 Costonia. We hope that they will be useful to you. Note: When we started collecting data about Costonia, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete. North American Railroad Atlas - Northeast
 George#&160;F. Cram Map (1901)
 Costonia 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 Costonia. See our Misc Page for Costonia for more information. Footnotes ...
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