Reported Crop Circles for the State of Illinois -

Troy, Madison County (June 16, 1991)

Single circle reported; no further details known.

Eyewitness report only.

Crop type: Corn (Maize)

Source: Jeffrey Wilson
 

City / County / Date:

• Randolph, Randolph County
  (May 1974)
• Belleville, Saint Clair County (January 1, 1975)
• Burnt Prairie, White County (October 1, 1975)
• [Unknown], (1978)
• [Unknown], (March 1981)
• Shelbyville, Shelby County (August 1990)
• Xenia, Clay County
  (October 9, 1990)
• Milan / Rock Island, Rock Island County (October 16, 1990)
• Moline, Rock Island County (November 16, 1990)
• Troy, Madison County
  (June 16, 1991)
• Lemont / Argonne, DuPage County (Fall 1991)
• Troy, Madison County
  (June 1992)
• Troy / Effingham, Madison County (June 1992)
• Albion, Edwards County
  (October 12, 1996)
• Collinsville / Granite City, Madison County (June 28, 1997)
• Naperville, Du Page County
  (July 26, 2002)
• University of Illinois – Urbana-Champaign, Champaign County (October 3, 2003)
• Rockford, Winnebago County (July 10, 2004)
• Coles County (*exact location withheld by ICCRA)
  (August 21, 2005)
• Belleville, St. Clair County
  (July 29, 2006)
• Geneseo, Henry County
  (August 17, 2006)
• St. Clair County (*exact location withheld by ICCRA)
  (August 20, 2006)