Miscellaneous References and MentionsWhile our initial information about Sabula came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Sabula 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 Sabula. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Sabula data came from. The following list of references and mentions is incomplete. Business Atlas and Shippers' Guide (1895)
 A note taken from the Shipper's Guide for Sabula: Iowa State Gazetteers
 Table of U.S. Post Offices in the United States (Jan. 1851)
 U.S. Post Offices (Oct. 1846)
 Map of the Lincoln Highway (1924) Rand McNally Map of Iowa (1911)
 Shell Oil Road Map for Iowa (1956)
 Sabula is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> We found Sabula in these Censuses: 2010-1990. See our Census Page for Sabula for more information. Both the GNIS and FIPS databases contain entries for Sabula. See our Misc Page for Sabula for more information. Footnotes ...
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