English
Beta
Hygyrchedd
Hafan
Amdanom
Chwilio
Orielau
Map
Cymorth
Cysylltwch
Cofnod Archif
Bryn Pwllgerwn, Length of Bank
The Western Brecon Beacons Publication Collection
The Western Brecon Beacons Publication Collection
WBB_01_005 - The Western Brecon Beacons Publication Collection
Manylion
Hierarchaeth
Safleoedd Cysylltiedig
Rhif Archif
6363714
Disgrifiad
Plan of the Upper Usk valley showing the antiquity of land-use, as published in the RCAHMW publication The Western Brecon Beacons, figure 16.
Enw Casgliad
The Western Brecon Beacons Publication Collection
Cyfrwng
Cartographic.
Cychwynnwr
RCAHMW
Dyddiad
2012
