Old Map of County Londonderry by Petty, 1685: Ballymoney, Portrush, Coleraine, Limavady, Downhill Demesne, Roe Valley taride By the 1860s

By the 1860s

The map is also interesting for its historical context

and the array of landmarks are all depicted with precision and artistry

Manresa - Known for the Cave of Saint Ignatius

known for its Notre-Dame cathedral

Old Map of County Londonderry by Petty, 1685: Ballymoney, Portrush, Coleraine, Limavady, Downhill Demesne, Roe Valley taride By the 1860sThis map, titled 'County Londonderry', is a detailed political and physical map of County Londonderry, originally published in 1685 by Sir William Petty. It is a later, reduced scale map based on the Down Survey of Ireland, originally undertaken in 1656 to 1658. The Down Survey was the first ever detailed land survey on a national scale anywhere in the world. Its purpose was to measure lands which, following the calamitous English Civil War, much of