( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1958
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( 2) General reference
Directory of Linc 3rd Edn 1872 594 (W White)
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( 3) Ministry of Works 1961 Ancient monuments in England and Wales : list prepared by the Ministry of Works, corrected to 31st December 1960
Page(s)63
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( 4) Field Investigators Comments
F1 JB 16-MAR-65
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( 5) Field Investigators Comments
F2 FDC 15-SEP-77
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(6) RCHME/EH Aerial Photographers Comment
Antonia Kershaw/25-JAN-1996/RCHME: Lincolnshire NMP
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