Sir William Petty surveyed the lands confiscated in Ireland during the 1650s.  The Down Survey, as this project became known, provided the basis for his Hiberniae Delineatio.

Citation: William Petty, Hiberniae Delineatio (London, 1683). Marsh's Library Exhibits ‘Mapping History’ curated by Annaleigh Margey, Jason McElligott and Sue Hemmens with Armagh Robinson Library; Held by Armagh Robinson Library; accessed April 30, 2025, https://www.marshlibrary.ie/digi2/exhibits/show/maps/item/578