Rhif Archif
6326872
Disgrifiad
Schematic map showing the relationships between the Swansea Canal, the River Tawe and nearby water powered installations, as published in RCAHMW publication "Copperopolis", p.115, fig. 161.
Enw Casgliad
COP - RCAHMW Copperopolis Publication
Cyfrwng
Graphic.
Cychwynnwr
RCAHMW