the Illinois State Archaeological Survey

The Illinois State Archaeological Survey (ISAS) is a research organization dedicated to studying Illinois’s historic and prehistoric past through excavations, surveys, and preservation of archaeological sites. It collaborates with universities, government agencies, and communities to document and protect the state's cultural heritage. ISAS's work helps understand Illinois’s diverse history, including Native American civilizations and early European settlements, providing valuable insights into the state's development and ensuring important sites are conserved for future generations.