cross dyke
type of linear earthwork believed to be a prehistoric land boundary
Black Pig's Dyke
Linear earthworks in Ireland
Devil's Dyke
ancient linear earthwork
Scots' Dike
cross dyke defining a section of the border between England (Cumbria) and Scotland (Dumfries and Galloway), UK
Grim's Ditch
linear earthwork in Stanmore, London Borough of Harrow, England, United Kingdom
Grey Ditch
linear earthwork in Peak District, England