Great Western Railway > Monmouthshire and Brecon Canals (Canal Numbers 95 and 95A) > Plans of the canal detailing land ownership and maintenance
Ordnance Survey map with Nant Onnen-fach coloured
Ink annotations marking names of landowners and/or occupiers near Nant Onnen-fach. Ordnance Survey reference: Brecknockshire sheet XLI.11 (1st edition, 1879).
[late 19th-early 20th century]