Miscellaneous References and MentionsWhile our initial information about Natura came from various goverment sources (GNIS, FIPS), we also found mention of Natura 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 Natura. We hope that they will be useful to you. Note: When we started collecting data about Natura, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete. George#&160;F. Cram Map (1922)
Rand McNally Map of Oklahoma (1911)
Natura 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 Natura. See our Misc Page for Natura for more information. Footnotes ...
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