Miscellaneous References and Mentions

So far, we haven't noted any references or mentions. As our research continues, we expect this to change.

List of Post Offices in the United States (1870)
Published by the Government Printing Office

Rand McNally Map of Minnesota (1932)
Published by Rand McNally & Co.

Shell Oil Road Map for Minnesota (1956)
Published by Shell Oil Company

Madison is contained in a comprehensive list of Post Offices that was created by Cameron Blevins and Richard Helbock.<1>

Footnotes ...

<1>	A copy of their list with background information can be found at: https://cblevins.github.io/us-post-offices/data-biography/