( 1) Ordnance Survey Map (Scale / Date)
OS 2" Drawing 1805-7 No 66E
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( 2) General reference
Hutchins Hist of Dorset 3rd Ed Vol 1 1861 657 (ed W Shipp)
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( 3) General reference
Colwin HM 1982. History of the King's Works, 4 (ii). London: HMSO 469
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(4) Migrated Defence of Britain Project database record originally compiled from various sources
The two databases developed by the Project can be searched on-line through the Archaeology Data Service at http://ads.ahds.ac.uk/catalogue/specColl/dob/index.cfm
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