- McLean County Historical Society, Bloomington, Ill
- University of Illinois at Urbana-Champaign, University Library
Edgar Heafer's tile plant, the Heafer Tile Company, produced many tiles for field drainage. Most farming communities had a tile plant needed to produce tiles, which were laid in the ground to drain excess water from the fields. How we learn about communities; Communities and Geography; American Communities in History. 15 Economics; 16 History; 18 Social systems.
- For any further information related to this record, please contact the Collection Publisher. See http://images.library.uiuc.edu/projects/tdc for more information about this project.