Great Western Railway
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Monmouthshire and Brecon Canals (Canal Numbers 95 and 95A)
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Engineering records
BW157/9/3/12
Examination of Canal Bridges on the Brecon Arm
Examination reports undertaken by the engineering department, gives information on bridges 71 to 166.
[early-mid 20th century]
BW157/9/3/12
1 volume