( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1862
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( 2) General reference
Boyle JR. 1892. History of County Durham, 578
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( 3) edited by William Page 1905 The Victoria history of the county of Durham, volume one
The Victoria history of the counties of England Page(s)359
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( 4) Field Investigators Comments
F1 ISS 04-OCT-78
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(5) Scheduled Monument Notification
16-APR-1999
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(6) by David J Cathcart King 1983 Castellarium anglicanum : an index and bibliography of the castles in England, Wales and the islands. Volume I : Anglesey - Montgomery
Page(s)140
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(7) Oblique aerial photograph reference number
NMR NZ 3061/4 (19864/9) 14-MAR-2001
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