( 1) General reference
O.S. 25" 1919
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( 2) General reference
Corr. 6" (Sheffield City Museum undated).
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( 3) Field Investigators Comments
F1 BHS 18-NOV-65
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(4) Vertical aerial photograph reference number
NMR RAF/CPE/UK/2598 3064 16-APR-1948
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(5) Vertical aerial photograph reference number
Next Perspectives PGA Imagery Tile Ref:SK2375 Date:2005-09-06
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