( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1854
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( 2) Ordnance Survey Archaeology Division Object Name Book reference
ONB 1908
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( 3) D F Renn 1968 Norman Castles in Britain
Norman Castles 1968 344 (D Renn) Page(s)344
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( 4) Field Investigators Comments
F1 BHP 03-MAR-72
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(5) English Heritage 1995 County list of Scheduled Monuments : March 1994
English Heritage SAM List Humbs March 1994 10 Page(s)10
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(6) Vertical aerial photograph reference number
CUCAP RC8 BR 145 09-DEC-1976
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(6a) edited by Robert Van de Noort and Stephen Ellis 1999 Wetland heritage of the Vale of York : an archaeological survey
Page(s)262-264
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