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Summary

Four roughly circular pits in an east-west aligned row, probably prospecting pits of 18th to 19th century date, are visible on aerial photographs of 1946 and digital images derived from lidar data captured between 1998 and 2014 as earthworks, on the western edge of Crownhill Down. Three of the four probably survived as earthworks in 2016.

Location

Protected Status: none recorded

Other References/Statuses

• Old DCC SMR Ref: SX55NE/61

Monument Type(s) and Dates

• (Former Type) TRIAL PIT (Unknown date)
• PROSPECTING PIT (XVII to Mid 20th Century - 1700 AD to 1946 AD)

Full description

RCHM APP 1985, Untitled Source (Migrated Record). SDV170467.

In an area of woodland therefore not visible on 1978 nmr ap (rchm app 1985).

Untitled Source (Migrated Record). SDV170468.

Des=hemerdon survey(1979)/parish file.

EDWARDS, C., Untitled Source (Report - Survey). SDV151218.

Vis=4/4/1979 (edwards,c. ) a line of trial pits runs from sx56025987 to sx56095987 the largest looking deceptively like a mineshaft centred at sx56055986 near the entrance to hooksbury wood. Diam 7m, dept 1.7m.

Royal Air Force, 1946, RAF/CPE/UK/1890, RAF/CPE/UK/1890 FP 1126-1127 10-DEC-1946 (Aerial Photograph). SDV169268.

Three pits surrounded by spoil are visible. The site of the westernmost pit is under tree cover.

Environment Agency, 1998-2017, LiDAR DTM data (1m resolution) EA: South Devon Coast to Dartmoor, LIDAR SX5659 Environment Agency DTM 01-JAN-1998 to 31-MAY-2017 (Cartographic). SDV361470.

Four pits surrounded by spoil are visible.

Next Perspectives, 2015-2017, Aerial Photography for Great Britain, Next Perspectives APGB Imagery SX5659 31-MAY-2016 (Aerial Photograph). SDV361515.

The site of the westernmost pit has been destroyed. The three remaining pit sites are obscured by vegetation.

Hegarty, C., Knight, S. and Sims, R., 2019-2020, The South Devon Coast to Dartmoor Aerial Investigation and Mapping Survey. Area 2, Avon Valley to Plymouth (AI&M, formerly NMP) (Interpretation). SDV362982.

Four roughly circular pits in an east-west aligned row are visible on aerial photographs of 1946 as earthworks, on the western edge of Crownhill Down. The pits measure from circa 4 to 10m in diameter and are surrounded by spread banks up to 6m wide, probably upcast spoil. The pits remain visible as earthworks on digital images derived from lidar data captured between 1998 and 2014, but digital images derived from aerial photographs of 2016 indicate that the westernmost pit, at circa SX56035986 has probably been destroyed by an expansion of modern open cast mining.

Sources / Further Reading

Associated Monuments: none recorded

Associated Finds: none recorded

Associated Events

• EDV8098 - The South Devon Coast to Dartmoor Aerial Investigation and Mapping (formerly NMP) Survey, Area 2, Avon Valley to Plymouth (Ref: ACD2040)

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