FFOS Y MYNACH, ST DAVIDS;MONK'S DYKE...
OFFA'S DYKE; CLAWDD OFFA (MAIN ENTRY)
CLAWDD MAWR
OFFA'S DYKE: SECTION S (?N) OF BRYN YR...
MAEN ACHWYFAN CROSS
TRE HYWEL STONE NR. GLAN-DWR INDEPENDENT CHAPEL
OFFA'S DYKE: (NORTH) SECTION AT COEDPOETH
OFFA'S DYKE: SECTION SW FROM TATHAM BRIDGE
Y GAER, BAYVIL;CAER BAYVIL HILLFORT
OFFA'S DYKE; WHITFORD DYKE, SECTION NORTH...
BEDD TALIESIN
TYDDYN PANDY
GLYN, LLANBEDRGOCH
