Chicagoland History Instructors gratefully acknowledges the following organizations for their assistance in preserving, sharing, and interpreting the history, culture, and natural heritage of the Chicago region. Through archival materials, photographs, research support, and educational resources, these organizations help make local history more accessible to teachers and students.
Municipalities and Government Agencies
✶ Village of Orland Park / Orland Park Heritage Sites
✶ Metropolitan Water Reclamation District of Greater Chicago (MWRD)