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Summary

Curvilinear banks and curvilinear ditches are visible as earthworks on visualisations derived from lidar data captured in 2013 and 2019, and curvilinear ditches are visible as cropmarks on aerial photographs west of Philleigh Farm. They are interpreted as field boundaries of medieval and post-medieval origin, and possibly as sections of the medieval Lumburn Leat.

Location

Protected Status: none recorded

Other References/Statuses: none recorded

Monument Type(s) and Dates

• FIELD BOUNDARY (Early Medieval to XIX - 1066 AD to 1900 AD (Between))
• LEAT? (Medieval - 1066 AD to 1539 AD (Between))

Full description

Devon County Council, 1838-1848, Tithe Mosaic, approximately 1838-1848 (Cartographic). SDV349431.

One of the earthworks corresponds with a depicted field boundary.

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

Two of the earthworks correspond with depicted field boundaries.

Environment Agency, 2000-2019, LiDAR DTM data (1m resolution) EA: Tamar Aerial Survey project area, LIDAR Environment Agency LAST RETURN 19-APR-2019 (Cartographic). SDV363954.

Several curvilinear banks and curvilinear ditches are visible as earthworks.

Cornwall Archaeological Unit, 2001-2002, Tamar Valley National Mapping Programme Transcriptions and Database Records (Interpretation). SDV346287.

Some of the earthworks have been transcribed as ditches from aerial photographs, these have been re-transcribed based on recent lidar data.

NERC, 2013, LiDAR DTM data (1m resolution) Tellus: Tamar Aerial Survey project area, LIDAR Tellus LAST RETURN 01-JUL-2013 to 31-AUG-2013 (Cartographic). SDV363955.

Several curvilinear banks and curvilinear ditches are visible as earthworks.

Hegarty, C., Knight, S. and Sims, R., 2016, Backlog Recording of the Tamar Valley National Mapping Programme Survey (Personal Comment). SDV359374.

Some of the earthworks had been previously transcribed as part of the Tamar Valley NMP. Only part of the photo reference is given in the transcription attributes, so the date of the photographs is not known.

Hegarty, C., Houghton, E., Knight, S. and Sims, R., 2020-2021, Tamar/Lidar; A Single Source Approach to Landscape Survey and Socially Distanced Community Archaeology Area 1 (AI&M project) (Interpretation). SDV363945.

Three curvilinear banks between 2 and 5 metres in width, two of which are flanked by ditches are visible as earthworks on visualisations derived from lidar data captured in 2013 and 2019. Two of the banks closely follow the contours of a combe head west of Philleigh Farm.
The northernmost bank corresponds with a field boundary depicted on the Tithe Map and subsequent available historic maps. The easternmost bank corresponds with a field boundary depicted on the Ordnance Survey 25 inch first Edition map and subsequent available historic maps. The final bank does not correspond with any depicted features and is situated within an area of rough pasture and furze. The historic landscape is characterised as ‘barton fields’.
The 15th century Lumburn Leat (MDV63055) is known to have crossed through this area and there are possible sections of the leat recorded through Wheal Jenny to the south-west (MDV130741).
The earthworks are interpreted as possible sections of the Lumburn Leat of medieval origin, part of which was incorporated into later field boundaries. Given the orientation and topography, it’s probable that the easternmost earthwork is simply a part medieval, part post-medieval field boundary.
Some of the earthworks had been previously transcribed as ditches as part of the Tamar Valley NMP and incorporated with MDV114380. They have been partially re-transcribed based on recent lidar data and a new record created to accommodate additional interpretation.

Sources / Further Reading

Associated Monuments

Associated Finds: none recorded

Associated Events

• EDV8345 - Tamar/Lidar; A Single Source Approach to Landscape Survey and Socially Distanced Community Archaeology Area 1 (AI&M) (Ref: ACD2380)

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