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[4,null,null,0,"01070.0w","TENNANT CANAL (LINEAR FEATURE)","SS6694992779",266949,192779,"SS7739199416",0,277391,199416,0,0,null,null,null,"Post Medieval","The Neath (01027.0w) and Tennant Canals provided twenty one miles of waterway from Aberdulais to Swansea and from Glynneath to Briton Ferry. The Tennant Canal, which was completed in 1824, was the second longest privately built canal in Britain.","Water Supply and Drainage;Transport",null,null,null,null,{"$raw":"00000000"},null,null,{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,1]
[4,null,null,0,"01027.0w","Neath Canal","SS7341494060",273414,194060,"SO8825306360",0,288253,206360,2734,1940,"SS734940",null,null,"Post-Medieval","The Neath and Tennant (01070.0w) Canals provided twenty one miles of waterway from Aberdulais to Swansea and from Glynneath to Briton Ferry. The two canals were built separately, the Neath under Acts of Parliament of 1791 and 1793.","Water Supply and Drainage;Transport","CANAL","Not known","Neath Port Talbot","0",{"$raw":"00000000"},null,"GGAT",{"$raw":"00000000"},null,null,null,null,null,null,null,"West Glamorgan",null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,2]
[4,null,null,0,"01046.0w","Swansea Canal","SS6579793487",265797,193487,"SN8089612579",0,280896,212579,2657,1934,"SS657934",null,null,"Post-Medieval","The canal was designed by Charles Roberts and Thomas Sheasby and was built between 1794 and 1798. It was unique in Britain, however, in also supplying water power for around 42 of the new enterprises along its route.","Water Supply and Drainage;Transport","Canal","Not known","Swansea","H Geake GGAT",{"$raw":"00000000"},null,"GGAT",{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,3]
[4,null,null,0,"01046.26w","SWANSEA CANAL BRANCH CANAL","SN7352305220",273523,205220,"SN7375904980",0,273759,204980,2735,2052,"SN735052",null,null,"Post-Medieval","Branch canal coming of the Swansea Canal to service ironworks (PRN 01046.17w).","Transport","CANAL","Not known",null,"0","1998-03-08","pmgb","GGAT","2008-02-07",null,null,null,"0","0","0","Cilybebyll","West Glamorgan","Glamorganshire","0",0,null,null,null,null,0,null,null,0,null,null,null,null,4]
[4,null,null,0,"01682.22s","Glamorganshire Canal Feeder","ST0924595694",309245,195694,"ST0844794926",0,308447,194926,3092,1956,"ST092956","ST09NE","ST0996","Post-Medieval","Feeder for the Glamorganshire Canal running from the River Taff.","Transport","CANAL FEEDER","Not known","Merthyr Tydfil","0","1998-09-14","pmgb","GGAT","2008-02-12",null,null,null,"0","0","0","0","Mid Glamorgan","Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,5]
[4,null,null,0,"01682.26s","GLAMORGANSHIRE CANAL MELINGRIFFITH FEEDER","ST1304580861",313045,180861,"ST1428980114",0,314289,180114,0,0,null,null,null,"Post Medieval","GLAMORGANSHIRE CANAL Melingriffith feeder on 1964 1:10000 map","Water Supply and Drainage;Transport","Canal",null,"Cardiff",null,{"$raw":"00000000"},null,null,{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,6]
[4,null,null,0,"01682.28s","CARDIFF-BUTE DOCK FEEDER","ST1711278057",317112,178057,"ST1880375770",0,318803,175770,3171,1780,"ST171780",null,null,"Post-Medieval","Bute Docks canal feeder basin seen along the Glamorganshire canal, as shown on the OS 1st Ed 25\" Glamorgan.","Transport","CANAL BASIN","Destroyed","Cardiff",null,{"$raw":"00000000"},null,"GGAT",{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,7]
[4,null,null,0,"01682.0s","Glamorganshire Canal","ST1875576365",318755,176365,"SO0415706811",0,304157,206811,3187,1763,"ST187763",null,null,"Post Medieval","Construction of the Glamorganshire canal started in 1790 and completed in 1798.  The canal ran from Cardiff in the south, north to Merthyr over a distance of 25 miles, falling over 510 feet.","Water Supply and Drainage;Transport","Canal","Not known","Cardiff","0","1997-11-08","pmgb","GGAT",{"$raw":"00000000"},null,null,"0","0","0","0",null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,8]
[4,null,null,0,"02987.0w","PENCLAWDD CANAL","SS5530496041",255304,196041,"SS6014796556",0,260147,196556,2553,1960,"SS553960",null,null,"Post Medieval","Penclawdd Canal, which ran alongside the former LNW railway, associated with  the former Cheadle Copper Work and Penclawdd Dock","Water Supply and Drainage;Transport","Canal","Not known","Swansea",null,{"$raw":"00000000"},null,null,{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,9]
[4,null,null,0,"03263.0g","Monmouthshire and Brecon Canal","ST3104088570",331040,188570,"SO0464628401",0,304646,228401,3310,1885,"ST310885",null,null,"Post-Medieval","Originally two canals, the Monmouthshire Canal was completed in 1799 by Thomas Dadford with the Brecknock and Abergavenny Canal added to this in 1812.","Water Supply and Drainage;Transport","Canal",null,"Monmouthshire; Torfaen; Newport; Powys",null,{"$raw":"00000000"},null,null,{"$raw":"00000000"},null,null,null,null,null,null,null,null,"Gwent",null,0,null,null,null,null,0,null,null,0,null,null,null,null,10]
[4,null,null,0,"03263.16g","MONMOUTHSHIRE AND BRECON CANAL -CRUMLIN BRANCH","ST2134898491",321348,198491,"ST3032089450",0,330320,189450,3213,1984,"ST213984",null,null,"Post-Medieval","The newport to Crumlin section of the Monmouthshire and Brecon Canal was opened in 1798.","Water Supply and Drainage;Transport","CANAL","Damaged",null,null,{"$raw":"00000000"},null,null,{"$raw":"00000000"},null,null,null,null,null,null,null,null,null,null,0,null,null,null,null,0,null,null,0,null,null,null,null,11]
[4,null,null,0,"01073.0w","THE SMITH CANAL","SS6635194722",266351,194722,"SS6936097889",0,269360,197889,2693,1947,"SS663947",null,null,"Post-Medieval","The canal is one of the earliest in Wales built in 1783. It passes under the works in a cut and cover tunnel, replacing earlier waggon ways.","Water Supply and Drainage;Transport","CANAL","Damaged","Swansea",null,{"$raw":"00000000"},"pmgb","GGAT","2008-02-20",null,null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,12]
[4,null,null,0,"02331.0w","GLAN-Y-WERN CANAL","SS6937695427",269376,195427,"SS7011693609",0,270116,193609,2693,1954,"SS693954",null,null,"Post-Medieval","The canal was completed about 1790, disused after 1810, revived as part of the Tennant Canal around 1816, and derelict in 1918.","Water Supply and Drainage;Transport","CANAL","Not known","Swansea",null,"1998-09-14","pmgb","GGAT","2008-02-20",null,null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,13]
[4,null,null,0,"02305.0w","CHEADLE WORKS BRANCH CANAL","SS7367997281",273679,197281,"SS7362797178",0,273627,197178,2736,1972,"SS736972",null,null,"Post-Medieval","Branch off the Tennant serving the Cheadle Works.","Water Supply and Drainage;Transport","CANAL","Not known","Neath Port Talbot",null,"1998-09-14","pmgb","GGAT","2008-02-20","Dyffryn Clydach",null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,14]
[4,null,null,0,"02269.0w","RHYDYDEFAWR COLLIERY CANAL","SS6084692145",260846,192145,"SS6038492185",0,260384,192185,2608,1921,"SS608921",null,null,"Post-Medieval","short canal serving the Rhydydefawr Colliery fed from the River Clyn.","Water Supply and Drainage;Transport","CANAL","Not known","Swansea",null,"1998-09-14","pmgb","GGAT","2008-02-21","Killay",null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,15]
[4,null,null,0,"02412.0m","CYFARTHA CANAL","SO0459904419",304599,204419,"SO0392306328",0,303923,206328,3045,2044,"SO045044",null,null,"Post-Medieval","Built in the 1770's, the Cyfartha Canal linked workings which lay slightly west of it to the ironworks.  Wilkins (1880 67-8) stated that the canal could be followed from Llwyncelyn.","Water Supply and Drainage;Transport","CANAL","Not known","Merthyr Tydfil",null,{"$raw":"00000000"},"pmgb","GGAT",{"$raw":"00000000"},"Cyfarthfa",null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,16]
[4,null,null,0,"02324.0w","ABBEY WORKS BRANCH CANAL","SS7364097279",273640,197279,"SS7373397484",0,273733,197484,2736,1972,"SS736972",null,null,"Post-Medieval","Branch off the Tennant serving the Neath Abbey Works.","Water Supply and Drainage;Transport","CANAL","Not known","Neath Port Talbot",null,"1998-09-14","pmgb","GGAT","2008-02-21",null,null,null,null,null,null,null,null,"Glamorganshire",null,0,null,null,null,null,0,null,null,0,null,null,null,null,17]