OFFA'S DYKE: Y GARDDEN CAMP SECTION
PENTRE DOLAU HONDDU, MEDIEVAL LONGHOUSE,...
ST GOVAN'S CHAPEL
CLAWDD MAWR
OFFA'S DYKE; WHITFORD DYKE, SECTION E OF...
OFFA'S DYKE; WHITFORD DYKE, SECTION FROM...
OFFA'S DYKE; WHITFORD DYKE, SECTION NORTH WEST...
FFOS Y MYNACH, ST DAVIDS;MONK'S DYKE;MONKS DYKE
OFFA'S DYKE: CADWGAN HALL SECTION, EXTENDING...
CRUGYN BANK, DYKE;DOUBLE DEYCHES;DOUBLE...
WAT'S DYKE W OF RHOS-Y-BRWYNER
OFFA'S DYKE: (NORTH) SECTION AT COEDPOETH
OFFA'S DYKE; WHITFORD DYKE, NW & SE OF...
OFFA'S DYKE: PLAS POWER SECTION
ST BRYNACH'S CROSS; THE HIGH CROSS, NEVERN
OFFA'S DYKE; CLAWDD OFFA (MAIN ENTRY)
TWO TUMPS DYKE I;DOUBLE DEYCHES;DOUBLE DITCHES...
WAT'S DYKE S OF RHOS-Y-BRWYNER
ST DAVIDS CHURCH, CAPEL DEWI, WITH CIRCULAR...
OFFA'S DYKE: SECTION EXTENDING 380M FROM BURFA
OFFA'S DYKE: SECTION EXTENDING 3000M SE TO...
OFFA'S DYKE: SECTION NEAR MONTGOMERY
