Miscellaneous References and MentionsWhile our initial information about Douglas came from various goverment sources (GNIS), we also found mention of Douglas 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 Douglas. We hope that they will be useful to you. Note: When we started collecting data about Douglas, 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)
A note taken from the Shipper's Guide for Douglas: List of Post Offices in the United States (1870)
Map from 1904 (unknown title/publisher) Douglas is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> The GNIS database contains an entry for Douglas. See our Misc Page for Douglas for more information. Footnotes ...
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