crop circle center

	Pembroke \| Ontario
	Canada
	1969 May 11
	Sand


	Chapeau \| Quebec
	Canada
	1969 May 12
	Grass	8 + 10 m \| 26 + 33 ft
	some circles, ringed circle and semi circle

	Corndale \| New South Wales
	Australia
	1969 May 21
	Reed grass	4,5 x 6 m \| 15 x 20 ft


	Glenorchy \| Tasmania
	Australia
	1969 May 23
		2,5 x 3,5 m \| 8 x 11 ft


	Harwood Island \| New South Wales
	Australia
	1969 May
	Sugar cane
	no specifiation