Barbury Castle
July 17, 1991
Ickleton
August 11, 1991
Silbury Hill
July 23, 1997
Milk Hill
August 8, 1997
Hackpen Hill
August 18, 1997
Chilbolton
June 16, 1999
West Overton
June 24, 1999
Sillbury Hill
July 24, 1999
West Kennett Longbarrow.
August 4, 1999
Wrotham
May 14, 2000
(Interwoven toroid)
East Kennet
July 2, 2000