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Summary

Linear incised channels interpreted as possible evidence of medieval or post-medieval streamworking, or else post-medieval or 19th century extractive workings are visible on aerial photographs taken from 1946 onwards and on digital images derived from lidar data captured between 1998 and 2017, at Dunley Cross, Hennock.

Location

Protected Status: none recorded

Other References/Statuses: none recorded

Monument Type(s) and Dates

• STREAMWORKS? (Early Medieval to Post Medieval - 1066 AD to 1750 AD (Between))
• EXTRACTIVE PIT? (Post Medieval to XIX - 1540 AD to 1900 AD (Between))

Full description

Ordnance Survey, 1880-1899, First Edition Ordnance 25 inch map (Cartographic). SDV336179.

The incised channels do not correspond with any earthworks in this location.

Royal Air Force, 1946, RAF/CPE/UK/1824, RAF/CPE/UK/1824 RP 3131-32 04-NOV-1946 (Aerial Photograph). SDV352344.

Linear incised channels are visible as earthworks.

Fairy Surveys Ltd, 1964, FSL/6412 V, FSL/6412 V 2068-69 07-FEB-1964 (Aerial Photograph). SDV357115.

Linear incised channels are visible as earthworks.

Environment Agency, 1998-2017, LiDAR DTM data (1m resolution) EA: South Devon Coast to Dartmoor, LIDAR SX8377 Environment Agency DTM 01-JAN-1998 to 31-MAY-2017 (Cartographic). SDV361470.

Linear incised channels are visible as earthworks.

Hegarty, C., Knight, S. and Sims, R., 2018-2019, The South Devon Coast to Dartmoor Aerial Investigation and Mapping Survey. Area 1, Haldon Ridge to Dart Valley (AI&M) (Interpretation). SDV361305.

A series of narrow and linear incised channels, up to 100m long, are visible on aerial photographs taken from 1946 onwards and on digital images derived from lidar data captured between 1998 and 2017, at Dunley Cross, Hennock. The northwest to southeast aligned earthworks flank the eastern side of a road at Dunley Cross, although the nature of the visible earthworks would suggest they are not obviously associated with construction of this road. They do not correspond with any earthworks in this location on the Ordnance Survey First Edition map of the late 19th century, or on later available historic maps. They are therefore interpreted as possible evidence of medieval or post-medieval tin streaming, or else post-medieval or 19th century extractive workings which had passed out of use by the late 19th century.

Sources / Further Reading

SDV336179	Cartographic: Ordnance Survey. 1880-1899. First Edition Ordnance 25 inch map. First Edition Ordnance Survey 25 inch Map. Map (Digital).
SDV352344	Aerial Photograph: Royal Air Force. 1946. RAF/CPE/UK/1824. Royal Air Force Aerial Photograph. Photograph (Paper). RAF/CPE/UK/1824 RP 3131-32 04-NOV-1946.
SDV357115	Aerial Photograph: Fairy Surveys Ltd. 1964. FSL/6412 V. Fairy Surveys Ltd aerial photograph. Photograph (Paper). FSL/6412 V 2068-69 07-FEB-1964. [Mapped feature: #114623 ]
SDV361305	Interpretation: Hegarty, C., Knight, S. and Sims, R.. 2018-2019. The South Devon Coast to Dartmoor Aerial Investigation and Mapping Survey. Area 1, Haldon Ridge to Dart Valley (AI&M). Historic England Research Report. Digital.
	Linked documents:1
SDV361470	Cartographic: Environment Agency. 1998-2017. LiDAR DTM data (1m resolution) EA: South Devon Coast to Dartmoor. Environment Agency LiDAR data. Digital. LIDAR SX8377 Environment Agency DTM 01-JAN-1998 to 31-MAY-2017.

Associated Monuments: none recorded

Associated Finds: none recorded

Associated Events

• EDV7515 - The South Devon Coast to Dartmoor Aerial Investigation and Mapping (formerly NMP) Survey (Ref: ACD1748)

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