Reported Crop Circles for the State of Oregon -

Monroe, Benton County (December 25, 1966)

Night before a single, swirled circle was discovered, BOL's reported being seen along with a loud 'screaming' sound.

Eyewitness report only.

Crop type: grass

Source: The Secret History of Crop Circles, Terry Wilson
 

City / County / Date:

• Hubbard, Marion County, OR (May 18, 1964)
• Monroe, Benton County, OR (December 25, 1966)
• Steens Mountain / Mickey Basin / Alvord Desert, Harney County (September 10, 1990)
• Aloha [Sunset Hwy.], Washington County
  (June 14, 1994)
• West Union, Washington County (July 20, 1994)
• Gaston, Washington County
  (July 26, 1994)
• Hug Point State Recreation Site, Cannon Beach, Clatsop County (September 13, 1994)
• Lebanon, Linn County
  (April 30, 1995)
• Portland [Germantown Rd.], Multomah County (July 27, 1995)
• Lakeview, Lake County
  (October 4, 1996)
• Wavr Farm, Salem / Silver Creek Falls, Marion County
  (June 28, 1997)
• Pendleton, Umatilla County
  (July 4, 1998)
• Whiskey Hill / Hubbard, Clackamas County (July 23, 1998)
• Klamath Falls, Klamath County (October 11, 1998)
• Hubbard, Clackamas County (1999)
• Whiskey Hill / Hubbard / Woodburn, Clackamas County (August 5, 2000)
• Forest Grove, Washington County (July 4, 2002)
• McMinnville, Willamette Valley, Yamhill County (May 5-8, 2005)
• Ashland, Jackson County (2007)