Miscellaneous References and Mentions

While our initial information about Placid came from various goverment sources (GNIS), we also found mention of Placid 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 Placid. We hope that they will be useful to you.

Note: Initially, we were careless about keeping track of where our Placid data came from. The following list of references and mentions is incomplete.

Rand McNally Map of Iowa (1911)
Published by Rand McNally & Co.

Placid 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 Placid. See our Misc Page for Placid for more information.