Reported Crop Circles for the State of Pennsylvania -

Greensburg, Westmoreland County (June 13, 1972)

A 6-foot diameter circle in grass was found swirled counter-clockwise. Forty feet away, a collie dog was found lying on its back with all its hair removed/missing.

Crop type: grass

Source: Ted Phillips, Physical Traces Associated with UFO Sightings, case #529; The Secret History of Crop Circles, Terry Wilson
 

City / County / Date:

• Harrisburg / Manor Hill, Huntington County
  (June 15, 1967)
• Greensburg, Westmoreland County (June 13, 1972)
• Slatington, Lehigh County (February 26, 1975)
• Ebensburg, Cambria County (1988)
• Ebensburg, Cambria County (September 2, 1989)
• Finleyville, Washington County (May 17, 1990)
• Chicora, Butler County
  (August 25, 1990)
• Linfield, Montgomery County
  (May 24, 1992)
• Limerick Township, Montgomery County (May 26, 1992)
• Cranberry Creek, Tannersville, Monroe County
  (January 28, 1993)
• Bedford County (May, 1995)
• Delmont, Westmoreland County (May 23, 2000)
• St. Joseph, St. Joseph County
  (July 23, 2000)
• Linesville, Crawford County
  (July 27, 2000)
• Indiana, Indiana County
  (May 22, 2001)
• Indiana, Indiana County 
  (April 16, 2002)
• Lancaster County (May 25, 2003)
• New Park, York County
  (June, 2004)
• Circleville Farm / Rockey Farm, Penn State University, State College, Centre County
  (September 27, 2004)
• Carmichaels, Greene County (June 25, 2005)
• [Central PA, near Harrisburg] (*location withheld by BLT, Inc.) (October 28, 2006)