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OSA Digital Library Collections

The University of Iowa Digital Library hosts over 100 OSA publications, with more added regularly. Find outreach material, conference posters, and all educational information from our retired website.

IAS Newsletters

Iowa Archeological Society newsletters from 1951 through two years ago are hosted on the UI Digital Library. The most recent two years are available to IAS members.

Historic Indian Location Database

This website provides an overview of OSA’s Historic Indian Location Database (HILD) project. See maps of historic-era Native American locations in Iowa, organized into five different time periods. 

I-SitesPublic

I-SitesPublic indicates where archaeological sites have been recorded by Public Land Survey System one-square-mile section and shows historic structure locations in each of Iowa’s 99 counties.