OFFA'S DYKE: Y GARDDEN CAMP SECTION
OFFA'S DYKE; WHITFORD DYKE, SECTION E OF...
OFFA'S DYKE; WHITFORD DYKE, SECTION FROM...
OFFA'S DYKE; WHITFORD DYKE, SECTION NORTH...
OFFA'S DYKE: CADWGAN HALL SECTION,...
WAT'S DYKE W OF RHOS-Y-BRWYNER
OFFA'S DYKE: (NORTH) SECTION AT COEDPOETH
OFFA'S DYKE; WHITFORD DYKE, NW & SE...
OFFA'S DYKE: PLAS POWER SECTION
OFFA'S DYKE; CLAWDD OFFA (MAIN ENTRY)
WAT'S DYKE S OF RHOS-Y-BRWYNER
OFFA'S DYKE: SECTION EXTENDING 380M FROM...
OFFA'S DYKE: SECTION EXTENDING 3000M SE...
OFFA'S DYKE: SECTION EXTENDING 120M FROM...
OFFA'S DYKE: SECTIONS N & S OF BRYN...
OFFA'S DYKE: SECTION EXTENDING 2143M S...
OFFA'S DYKE: SECTION IN PLAS POWER PARK
OFFA'S DYKE: CHIRK PARK SECTION EXTENDING...
OFFA'S DYKE: SECTION S FROM CAE LLEWELLYN
OFFA'S DYKE: SECTION S (?N) OF BRYN YR...
OFFA'S DYKE: CWM SECTION
