CHIRK AQUEDUCT, LLANGOLLEN CANAL;ELLESMERE...
PONTCYSYLLTE AQUEDUCT, ELLESMERE CANAL...
YSTALYFERA AQUEDUCT AND WEIR, SWANSEA CANAL
CYNON STAR AQUEDUCT, GLAMORGANSHIRE CANAL,...
UPPER CLYDACH AQUEDUCT AND OVERFLOW,...
LOWER CLYDACH AQUEDUCT, CLYDACH AQUEDUCT,...