Cord rig; Cord rigg; Cord-rig
A series of narrow ridges generally less than a metre apart, formed as the result of cultivation in the immediate pre-Roman Iron Age. It can be found as earthworks by careful looking in upland areas, such as The Cheviots of Northumberland, and has also been found in excavations elsewhere, such as beneath Hadrian's Wall forts. It has been found at a range of altitudes from 15m above sea level upwards.
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