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HER Number: | MDV117955 |
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Name: | Whetstone mine earthworks on Hembury Fort, Payhembury |
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Summary
Evidence of whetstone mine galleries of probable 18th to 19th and possibly early 20th century date were visible on aerial photographs of the 1940s onwards and digital images derived from lidar data captured from 1998 to 2014, as earthwork hollows on the south-west-facing ramparts on the southern tip of Hembury Fort, Payhembury parish.
Location
Grid Reference: | ST 111 029 |
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Map Sheet: | ST10SW |
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Admin Area | Devon |
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Civil Parish | Payhembury |
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District | East Devon |
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Ecclesiastical Parish | PAYHEMBURY |
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Protected Status
Other References/Statuses
- Old DCC SMR Ref: ST10SW/97/1
Monument Type(s) and Dates
- MINE (Early Medieval to XX - 1066 AD to 1947 AD (Between))
Full description
Royal Air Force, 1947, RAF/CPE/UK/1974, RAF/CPE/UK/1974 FS 2452-2453 11-APR-1947 (Aerial Photograph). SDV356127.
Linear gullies and earthwork mounds were visible.
Royal Air Force, 1950, RAF/541/453, RAF/541/453 RS 4104-4105 04-MAR-1950 (Aerial Photograph). SDV357845.
Linear gullies and earthwork mounds were visible.
Ordnance Survey, 1982, OS/82218 V, OS/82218 V 1147-1148 28-AUG-1982 (Aerial Photograph). SDV359504.
The earthworks were largely obscured by tree cover.
Environment Agency, 1998-2014, LiDAR DTM data (1m resolution), LIDAR ST1102 Environment Agency DTM 01-JAN-1998 to 30-SEP-2014 (Cartographic). SDV359177.
Linear earthwork hollows were visible as subtle earthworks.
Next Perspectives, 2010, Aerial Photography for Great Britain, Next Perspectives APGB Imagery ST1102 22-MAY-2010 (Aerial Photograph). SDV356259.
The earthworks were largely obscured by dense tree cover.
Hegarty, C. + Knight, S. + Sims, R., 2016-2018, The Blackdown Hills AONB and East Devon River Catchments National Mapping Programme Project (Interpretation). SDV359463.
The remains of linear gullies running perpendicular to the contours of the slope and were visible as earthworks on the south-west-facing ramparts on the southern tip of Hembury Fort, Payhembury parish, on aerial photographs of 1947 onwards. The linear hollows were up to circa 2 metres wide and up to 18 metres long, running perpendicular to the contours of the ramparts. They are interpreted as having formed over the collapsed remains of former post-medieval whetstone mine galleries. No evidence of spoil mounds immediately downslope of the collapsed tunnels has been noted, but could have been incorporated into the rampart earthworks.
The earthworks are partially obscured by light woodland cover on digital images derived from aerial photographs of 1982 and 2010 but some degree of survival is indicated on digital images derived from lidar data captured from 1998 to 2014.
Sources / Further Reading
SDV356127 | Aerial Photograph: Royal Air Force. 1947. RAF/CPE/UK/1974. Royal Air Force Aerial Photograph. Photograph (Paper). RAF/CPE/UK/1974 FS 2452-2453 11-APR-1947. |
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SDV356259 | Aerial Photograph: Next Perspectives. 2010. Aerial Photography for Great Britain. Aerial Photography for Great Britain Aerial Photographs. Digital. Next Perspectives APGB Imagery ST1102 22-MAY-2010. |
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SDV357845 | Aerial Photograph: Royal Air Force. 1950. RAF/541/453. Royal Air Force Aerial Photograph. Photograph (Paper). RAF/541/453 RS 4104-4105 04-MAR-1950. [Mapped feature: #77234 ] |
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SDV359177 | Cartographic: Environment Agency. 1998-2014. LiDAR DTM data (1m resolution). Environment Agency LiDAR data. Digital. LIDAR ST1102 Environment Agency DTM 01-JAN-1998 to 30-SEP-2014. |
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SDV359463 | Interpretation: Hegarty, C. + Knight, S. + Sims, R.. 2016-2018. The Blackdown Hills AONB and East Devon River Catchments National Mapping Programme Project. Historic England Research Report. Digital. |
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| Linked documents:2 |
SDV359504 | Aerial Photograph: Ordnance Survey. 1982. OS/82218 V. Ordnance Survey. Photograph (Paper). OS/82218 V 1147-1148 28-AUG-1982. |
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Associated Monuments: none recorded
Associated Finds: none recorded
Associated Events
- EDV7508 - The Blackdown Hills AONB and East Devon River Catchments National Mapping Programme (NMP) project (Ref: ACD1228)
Date Last Edited: | Mar 20 2018 1:23PM |
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