Great Western Railway > Monmouthshire and Brecon Canals (Canal Numbers 95 and 95A) > Water supply to the canal
Ordnance Survey map showing route of possible feeder to canal [?] alongside River Usk
With notes and annotations. Ordnance Survey reference: Brecknockshire sheet XXVIII.13.1 (Brecon Aberhondra 1888).
[late 19th century]