( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1965
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( 2) Devonshire Association reports and transactions
22 (1890) Page(s)186-7
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( 3) Aerial photograph
APs (RAF/3G/TUD/UK 138 4436-7 11.4.46)
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(4) Scheduled Monument Notification
18/03/1998
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(5) Field Investigators Comments
Fletcher M.J 29 May 2004. English Heritage Field Investigation
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