( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1932-38
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( 2) General reference
Arch N.L. Vol 4 No 12 April 1953 194 (B Hope-Taylor)
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( 3) General reference
Sy A.C. 53 1954, xxvii, xxviii (Note)
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( 4) General reference
Sy A.C. 54 1955 157-8 (Note)
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( 5) General reference
Sy A.C. Ann. Report. 1954 7 (Note)
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( 6) Field Investigators Comments
F1 ASP 24-SEP-65
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