Miscellaneous References and MentionsWhile our initial information about Marble Rock came from various goverment sources (GNIS, US Census, FIPS), we also found mention of Marble Rock 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 Marble Rock. We hope that they will be useful to you. Note: Initially, we were careless about keeping track of where our Marble Rock 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 Marble Rock: Iowa State Gazetteers
 List of Post Offices in the United States (1870)
 SPV's Comprehensive Railroad Atlas of North America - Prairies East & Ozarks
 Rand McNally Map of Iowa (1911)
 Marble Rock is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1> We found Marble Rock in these Censuses: 2010-1990. See our Census Page for Marble Rock for more information. Both the GNIS and FIPS databases contain entries for Marble Rock. See our Misc Page for Marble Rock for more information. Footnotes ...
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