Map description: Tithe map of Risca, Monmouthshire Acres:1877 Tithe payments: £134.11.6d Parish. £54.11.6d Perpetual Curate;£80 Bishop of Llandaff Valuer and Surveyor: William Jones, Mount Pleasant, Brecon Scale:6 chains to 1 inch Class: 2ndTithe maps were produced between 1838 and 1850 following the Tithe Commutation Act of 1836 as a part of the process to ensure that all tithes were paid with money rather than produce. They are the most detailed maps of their period and there are over a thousand of them covering more than 95% of Wales.