( 1) Ordnance Survey Map (Scale / Date)
OS 6" 1961
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( 2) General reference
Sx AC 66, 1925, 83-110 plan & photos (S E Winbolt)
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( 3) General reference
AM's Eng. Wales. 1961, 89(M.O.W)
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( 4) Field Investigators Comments
F1 ASP 17-JUL-71
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( 5) Large Scale / Small Scale Map Revisers Comment
SS Reviser May 1987
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