Reported Crop Circles for the State of Iowa -

Altoona, Polk County (June 1996)

Three rings in grass were reportedly found.

Eyewitness report only.

Crop type: grass

Source: Jeffrey Wilson

City / County / Date:

• Oskaloosa, Mahaska, (1883)
• Mount Pleasant, Henry County (June 3, 1920)
• Denison, Crawford County
  (July 3, 1969)
• Van Horne / Garrison, Benton County (July 12, 1969)
• Elkader, Clayton County
  (August 7, 1969)
• Westgate, Fayette County
  (April 25, 1971)
• Story City, Story County
  (July 1972)
• Laurens, Pocahontas County (July 6, 1972)
• Goldfield, Wright County
  (July 8, 1972)
• Boone, Boone County
  (July 1972)
• [western] Iowa (1972)
• Ackworth, Warren County
  (June 27, 1973)
• Clarion, Wright County
  (July 8, 1973)
• Mount Pleasant, Henry County (October, 1973)
• Waverly, Bremer County (1973)
• [unknown], Lyon County (1975)
• [unknown], Lyon County (1977)
• Rock Rapids, Lyon County
  (June 1978)
• [unknown] Iowa (1989)
• Blue Grass, Scott County (October 16, 1990)
• Blue Grass, Scott County
  (August 22, 1991)
• Ankeny, Polk County
  (September 22, 1993)
• Drakesville, Davis County (October 7, 1993)
• Arlington, Fayette County
  (August 15, 1995)
• Altoona, Polk County
  (June, 1996)
• Nevada, Story County
  (October 8, 1996)
• Drakesville, Davis County
  (late June 1997)
• Nevada, Story County
  (September 30, 1997)
• Iowa City, Johnson County
  (2000)
• Iowa City, Johnson County
  (July 2001)
• Montour, Tama County
  (August 9, 2002)
• St. Ansgar, Mitchell County (October, 2003)
• Eagle Grove, Humboldt County (July 3, 2004)
• Charles City, Floyd County
  (August 8, 2004)