( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1961
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( 2) General reference
PSA 2 (series 2) 1862 103-104 (C Wykeham Martin)
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( 3) Field Investigators Comments
F1 CFW 23.11.61
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( 4a) Aerial photograph
AP BIV 43 45 JK St J
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( 4) General reference
DOE (IAM) Record Form 12 11 75
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( 5) Field Investigators Comments
F2 MJF 19.03.86
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( 6) General reference
DOE (IAM) AMs Eng 2 1978 115
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( 7a) General reference
CUCAP BIV 41.5 20.6.72
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( 7) General reference
NMR APU
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