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HER Number:MDV27918
Name:Tin streamworks partly destroyed by the clay workings at Left Lake, Ugborough


Tin streamworks partly destroyed by the clay workings at Left Lake


Grid Reference:SX 649 633
Map Sheet:SX66SW
Admin AreaDartmoor National Park
Civil ParishUgborough
DistrictSouth Hams
Ecclesiastical ParishUGBOROUGH

Protected Status

  • SHINE: Earthwork remains of the early 20th century China Clay works at Redlake Mine and the associated railway, as well as prehistoric remains on Ugborough Moor

Other References/Statuses

  • Old DCC SMR Ref: SX66SW/234
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • STREAMWORKS (Constructed, Early Medieval to Post Medieval - 1066 AD to 1750 AD (Between))

Full description

National Monuments Record, 1969, NMR SX6463, 2 (Aerial Photograph). SDV165976.

Photograph taken on 22nd April 1969.

National Monuments Record, 1976, NMR SX6460, 2 (Aerial Photograph). SDV157244.

Photograph taken on 8th April 1976.

Royal Commission on the Historical Monuments of England, 1985, Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP (Cartographic). SDV319854.

Small tin streamworks covering 0.5 hectares, partly destroyed by clayworks.

GeoInformation Group Ltd, 2010, 1:625 2010 Colour (12.5cm resolution) (Aerial Photograph). SDV346026.

Features visible on aerial photograph.

Newman, P., 2018, Erme Valley Survey data (GIS and Excel spreadsheet) (Cartographic). SDV361913.

Streamworks to the south-west of the clay works.

Newman, P., 2018, The Upper Erme Valley, Dartmoor National Park, Devon: An Archaeological Survey, Appendix 1 (Report - Survey). SDV362921.

Tin streamworks at the head of Left Lake on Ugborough Moor. A small spread of earthworks contained within an area defined by scarps at Left Lake Mires, is all that remains following the imposition of the Left Lake clay pit in the 19th and 20th centuries. The tin work once had two branches, the southern of which comprises a series of narrow gullies, covering an area of 0.4 hectares with islands of unworked ground and a few trial pits at the southern end, while the northern is a shallower expanse of approximately 0.8 hectares.

Sources / Further Reading

SDV157244Aerial Photograph: National Monuments Record. 1976. NMR SX6460. National Monuments Record Aerial Photograph. 2.
SDV165976Aerial Photograph: National Monuments Record. 1969. NMR SX6463. National Monuments Record Aerial Photograph. Photograph (Paper). 2.
SDV319854Cartographic: Royal Commission on the Historical Monuments of England. 1985. Aerial Photograph Project (Dartmoor) - Dartmoor Pre-NMP. Royal Commission on the Historical Monuments of England Aerial Photograph P. Cartographic.
SDV346026Aerial Photograph: GeoInformation Group Ltd. 2010. 1:625 2010 Colour (12.5cm resolution). 2010 Aerial Photographs. Digital.
SDV361913Cartographic: Newman, P.. 2018. Erme Valley Survey data (GIS and Excel spreadsheet). GIS ShapeFile. Digital. [Mapped feature: #125415 ]

Associated Monuments

MDV4234Related to: Left Lake China clay works, Harford and Ugborough Parishes (Monument)

Associated Finds: none recorded

Associated Events

  • EDV8082 - Survey of the Upper Erme Valley

Date Last Edited:Apr 27 2020 2:14PM