( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1970
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( 2) Annotated Record Map
Corr 6" (G Webster 1949)
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( 3) General reference
T Lancs and Ches AS 72 1962 17-19 plan (J Forde-Johnston)
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( 4) Field Investigators Comments
F1 JHW 05-NOV-62
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( 5) Field Investigators Comments
F2 DJC 18-FEB-76
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( 6) General reference
BAR 20 pt2 Later Prehist from Trent-Tyne 1975, 45 (A J Challis & D W Harding)
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(7) by A H A Hogg 1979 British hillforts : an index
BAR British series1 (1974) - Page(s)155
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(8) General reference
English Heritage Scheduling Amendment 20/7/95
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