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HER Number:MDV65995
Name:Streamworks flanking the River Walkham

Summary

Medieval or later streamworks covering an area of 15 hectares flanking the River Walkham within Dartmoor Forest Parish. Archaeological field surveys 1994 and 2004 in found that the majority of the streamworks were poorly preserved, forming sporadic patches on the narrow river floodplain. Many of the water channels and linear spoil heaps were denuded and largely obscured by reeds and bog. However, streamworks within three tributaries of the Walkham, Dead Lake and Spriddle Lake were extensive and well defined. Cliffs forming the edges of the workings remained up to 3.5 metres in height and the characteristic pattern of linear spoil heaps and water channels were clearly visible. Two poorly preserved tinners huts lie within the former workings on Dead Lake and Spriddle Lake.

Location

Grid Reference:SX 568 789
Map Sheet:SX57NE
Admin AreaDartmoor National Park
Civil ParishDartmoor Forest
Civil ParishPeter Tavy
DistrictWest Devon
Ecclesiastical ParishLYDFORD
Ecclesiastical ParishPETER TAVY

Protected Status

  • SHINE: Earthwork and walling remains of streamworking and tinners buildings associated with the post-medieval Wheal Prosper Tin Mine on Langstone Moor
  • SHINE: Earthwork remains of post-medieval streamworking associated with Wheal Prosper Tin Mine as well as Bronze Age hut circle on Cocks Hill close to River Walkham
  • SHINE: Earthwork remains of post-medieval streamworking associated with Wheal Prosper Tin Mine north-west of Blackabrook Head

Other References/Statuses

  • National Monuments Record: SX 57 NE 82
  • Old DCC SMR Ref: SX57NE/175
  • Old DCC SMR Ref: SX57NE/89
  • Pastscape: 1064674
  • SHINE Candidate (Yes)

Monument Type(s) and Dates

  • STREAMWORKS (XV to XVII - 1500 AD to 1699 AD (Between))

Full description

Newman,, Untitled Source (Migrated Record). SDV141348.

Streamwork shown on the english heritage survey of 2003 all along 'dead lake' stream withseveral groups of pits and openwork to the northwest. Two isolated pits and an l-shaped section of wall are shown to the northeast (newman).


HEDGES, Untitled Source (Migrated Record). SDV221456.

'greena ball' tin workings with narrow parallel waste heaps suggesting an early medieval origin with later c16 or c17 workings (hedges).


Untitled Source (Migrated Record). SDV221458.

Des=bruce,b. /dtrg newsletter/23(summer 2002)7/survey weekends, spring 2002 greena ball streamwork.


Untitled Source (Migrated Record). SDV221459.

Des=hedges,m. /dtrg newsletter/24(january 2003)2/upper walkham valley.


Untitled Source (Migrated Record). SDV221460.

Des=bruce,b. /dtrg newsletter/24(january 2003)5-9/greena ball streamwork.


BRUCE, Untitled Source (Migrated Record). SDV221461.

Streamworks extend from sx566788 south along 'dead lake' to sx566783. The streamwork 500m long x up to 100m wide shows signs of multi-phase activity + is being surveyed (bruce).


BRUCE, Untitled Source (Migrated Record). SDV221461.

A survey of alluvial streamwork was undertaken in 2002 to the east of the river walkham. Several phases of working were recorded with parallel waste heaps extending to 200m x 100m + up to 5m deep (bruce).


HEDGES, Untitled Source (Migrated Record). SDV221466.

Streamwork believed to date from c16 - c17 is situated above 'dead lake' which is a small stream running south to join the 'river walkham' at sx56567817. The stream is on the parish boundary between peter tavy + lydford + is named as a bound in the 1608 perambulation of the 'forest of dartmoor'. There are the remains of a large storage reservoir to the north of the streamwork (hedges).


Untitled Source (Migrated Record). SDV221469.

Des=hedges,m. /dtrg newsletter/24(january 2003)2/upper walkham valley.


Untitled Source (Migrated Record). SDV221470.

Des=bruce,b. /dtrg newsletter/25(july 2003)7/dead lake streamwork survey.


Untitled Source (Migrated Record). SDV221471.

Des=newman,p.(english heritage)/the langstone moor stone circle and its prehistoric environs:survey report/(2003)fig2/eh report ai/25/2003 in smr.


English Heritage, 2005, Industrial Survey Information (Report - Survey). SDV346396.


National Monument Record, 2016, Pastscape, Accessed 26/09/2016 (Website). SDV359354.

Centred SX 57507870. Approximately 15 hectares of streamworking remains flanking the River Walkham within Dartmoor Forest Parish. The majority of the former workings are poorly preserved and form sporadic patches on the narrow floodplain of the river. With the exception of 0.6 hectares centred at SX 56757812 the water channels and linear spoil heaps are very denuded and largely obscured by reeds and bog. There are no remains of any associated structures in these workings though the spoil heap from an adit associated with Wheal Prosper (SX 57 NE 48) overlies streamworks at the foot of the eastern flank of Cocks Hill.
Three tributaries of the Walkham, Dead Lake, Spriddle Lake and an unnamed stream rising 800 metres north-west of Black Dunghill, possess extensive and well defined workings in a good state of preservation. Cliffs forming the edges of the workings remain up to 3.5 metres high and the characteristic pattern of linear spoil heaps and water channels is clearly visible. Two poorly preserved tinners huts lie within the former workings on Dead Lake and Spriddle Lake (citing Probert, S. A. J., 12-JUL-1994 Royal Commission on the Historic Monuments in England Field Investigation).
Two smaller patches of streamwork survive at Kings Ford (SX 5567 7770) and near the Upper Merrivale tin mill (SX 5522 7677). The former is a particularly well preserved example (Newman, P., 10-Aug-2004 Merrivale Range Baseline Condition Survey).


Newman , P., 2018, Archaeological Sites within Merrivale Training Area, Dartmoor National Park, Devon: A condition survey on behalf of Defence Infrastructure Organisation (Report - Survey). SDV361635.

Several discrete areas of tin streamworks along the riverside and small tributariesof the South River Tavy.

Sources / Further Reading

SDV141348Migrated Record: Newman,.
SDV221456Migrated Record: HEDGES.
SDV221458Migrated Record:
SDV221459Migrated Record:
SDV221460Migrated Record:
SDV221461Migrated Record: BRUCE.
SDV221466Migrated Record: HEDGES.
SDV221469Migrated Record:
SDV221470Migrated Record:
SDV221471Migrated Record:
SDV346396Report - Survey: English Heritage. 2005. Industrial Survey Information. English Heritage. Digital. [Mapped features: #98015 ; #98016 ; #98017 ; #112850 ]
SDV359354Website: National Monument Record. 2016. Pastscape. http://www.pastscape.org.uk. Website. Accessed 26/09/2016.
SDV361635Report - Survey: Newman , P.. 2018. Archaeological Sites within Merrivale Training Area, Dartmoor National Park, Devon: A condition survey on behalf of Defence Infrastructure Organisation. Southwest Landscape Investigations. A4 Comb Bound.

Associated Monuments

MDV12200Related to: Adit and trial pits on Cocks Hill, Dartmoor Forest (Monument)
MDV69496Related to: Streamworks along the River Walkham on Cocks Hill (Monument)

Associated Finds: none recorded

Associated Events

  • EDV7275 - Survey of the Langstone Moor stone circle and other prehistoric monuments nearby
  • EDV7441 - Condition survey of the archaeological sites of Merrivale Training Area
  • EDV7570 - Condition survey of Merrivale Range training area

Date Last Edited:Jan 24 2019 12:07PM