- McLean County Historical Society, Bloomington, Ill; Walters, William D, Jr., 1942-
- University of Illinois at Urbana-Champaign, University Library
Standing in a hole around where a cornstalk was growing, a farmer washes the roots of the plant with a hose to inspect the crop. Farmers often would dig up random stalks of corn to check the root system and the nature of the plant to gauge how their crop was doing. How we learn about communities. 16 History; 13 Science, Technology and Society; 15 Economics; 18 Social Systems.
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