Miscellaneous References and Mentions

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

Note: When we started collecting data about Rock Island, we were inconsistent about keeping track of where that data came from. As a result, this list of references and mentions is probably incomplete.

Mobile Oil Map of Washington (1949)
Published by Mobile Oil Company

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

We found Rock Island in these Censuses: 2010-1990. See our Census Page for Rock Island for more information.

Both the GNIS and FIPS databases contain entries for Rock Island. See our Misc Page for Rock Island for more information.