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HER Number:MDV27897
Name:Clay working spoil heap at Left Lake clay works, Harford


Clayheap covering 0.44 hectares at Left Lake clay works


Grid Reference:SX 646 632
Map Sheet:SX66SW
Admin AreaDartmoor National Park
Civil ParishHarford
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/194
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • CLAY WORKINGS (Constructed, XVIII to XXI - 1751 AD to 2009 AD (Between))

Full description

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

Photograph taken on 22nd April 1969.

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

Clayheap covering 0.3 hectares visible on aerial photograph.

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

Irregular shaped feature shown on survey.

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

A spoil heap 155 metres south of Left Lake Pit on Harford Moor. The heap, which covers 0.44 hectares, is just over 1 metre high along the northern edge. It sits on a very slight slope and has a wedged, flat-topped profile, which tapers to nothing at the southern edge. It is slightly uphill to the south of the clay drags (MDV27892), yet the shape of the mound suggest that material was dumped from south to north, which must have been barrowed south up the hill to one side of the heap, then turned north before dumping possibly in a wet form, resulting in the flat upper surface. In the absence of mica lagoons directly downhill of the drags, this dump probably contains the waste product from the drags. Clay was extracted from this site for a short period in the 1850s, but the building was installed between 1911 and 1932 when operated by the China Clay Corporation, and later the Ivy Bridge China Clay Company.

Sources / Further Reading

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.
SDV361913Cartographic: Newman, P.. 2018. Erme Valley Survey data (GIS and Excel spreadsheet). GIS ShapeFile. Digital. [Mapped feature: #125409 ]

Associated Monuments

MDV4234Part of: Left Lake China clay works, Harford and Ugborough Parishes (Monument)
MDV28106Related to: Clay workings at Left Lake, Harford (Monument)
MDV28104Related to: Industrial building associated with the clay pit at Left Lake, Harford (Building)
MDV27892Related to: Industrial building at Left Lake clay works on Harford Moor, Harford (Building)
MDV122904Related to: Left Lake clay pits adit, Harford (Monument)
MDV5167Related to: Redlake Clay works pipeline, Harford and Ugborough parishes (Monument)
MDV3138Related to: The Redlake China Clay Railway, Harford & Dratmoor Forest Parishes (Monument)

Associated Finds: none recorded

Associated Events

  • EDV8082 - Survey of the Upper Erme Valley

Date Last Edited:Apr 26 2020 2:12PM