( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1956
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( 2) General reference
Little Guide, Linc. 2nd Edn., 1924, 343-4. (J.C. Cox)
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( 3) General reference
Corr. 6" (C.W. Phillips, 1930)
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( 4) Field Investigators Comments
F1 BHS 18-FEB-65
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( 5) General reference
DOE List December 1983
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