1 A stone field drain was initially discovered in an evaluation trench. The stone construction was identified as local quartzite by the excavator, Keith Scott.
2 3 Geophysical survey using ...
A series of linear field drains constructed of local quarzite stone. Running north-south. Possibly 17th century as Dugdale recorded similar in 'The History of Imbanking and Drayning of Diverse Fenns and Marshes' 1662