1831 England and Wales ancient counties

ArcGIS shapefile of 288 polygons providing boundary and attribute data for the fifty-five ancient counties of England and Wales as given in the 1831 census for England and Wales. As such this represents the counties of England and Wales as they were before the boundary changes caused by the Counties (Detached Parts) Act, 1844 (7 & 8 Vict. c. 61) which led to the elimination of some of the detached portions of counties.<p>These data were created as part of a research program directed by Leigh Shaw-Taylor and Tony Wrigley, which aims ultimately to reconstruct the evolution of the occupational structure of Britain from the late medieval period down to the early twentieth century.</p>

包含288个多边形要素的ArcGIS形状文件（ArcGIS shapefile），提供1831年英格兰与威尔士人口普查所收录的55个古郡的边界与属性数据。据此，该数据集呈现的是1844年《郡（飞地）法案》（7 & 8 Vict. c. 61）引发边界调整前的英格兰与威尔士各郡原貌，该法案取消了部分郡的飞地辖区。
本数据集由Leigh Shaw-Taylor与Tony Wrigley主导的研究项目所创建，该项目的最终目标是重构英国从中世纪晚期至20世纪早期的职业结构演变历程。