Miscellaneous References and MentionsWhile our initial information about Hartline came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Hartline 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 Hartline. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Hartline data came from. The following list of references and mentions is incomplete. Hartline is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> We found Hartline in these Censuses: 2010-1990. See our Census Page for Hartline for more information. Both the GNIS and FIPS databases contain entries for Hartline. See our Misc Page for Hartline for more information. Footnotes ...
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