( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1959
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( 2) General reference
VCH Cambs, 4 1953 91-92
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( 3) General reference
Mr W E Stockdale Tower Farm
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( 4) General reference
Cambs ONB 26 NW, 5 1925 Revision
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(5) Field Investigators Comments
F1 BHS 17-SEP-1970
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