Great Western Railway > Monmouthshire and Brecon Canals (Canal Numbers 95 and 95A) > Maps, plans and sections of canal
Untitled plan endorsed "Plans of canal at Govilon and Talybont"
Plan traced from an Ordnance Survey map [reference: Brecknockshire sheet XXXIV.7 and XXXIV.11] showing canal from site of Penkelly Castle to Talybont. Ink annotations.
[late 19th-early 20th century]