Weir at Knockboy 1900-1910 https://catalogue.nli.ie/Record/vtls000036423

Map of “three sisters rivers” the #Barrow, #Nor and #Suir flow down joining together in Wexford harbour Ireland.

Wood #fishweirs on the #RiveSuir below the Viking founded city of #Waterford,IR. Weirs have been used from prehistory for #salmon, #lamprey #eels #trout. Use of weirs caused debate and social conflict over access the rivers fisheries between indigenous communities and landlords. 1/4 #coastalhistory