Updated Prefecture Polygons now have mostly complete spatial coverage for the Dynastic administrative units from 1350 - 1911 CE. Prefectures from earlier periods, 221 BCE to 1350 CE, still have gaps i
This is a polygon dataset consisting of Standard Electoral Wards set in 1993. The data has been extracted from OSNI Largescale database and has been topologically cleansed and attributed to create...
QDGC tables delivered in geopackage file - - - - - - - - - - - - - - - - - - - - - - QDGC represents a way of making (almost) equal area squares covering a specific area to represent specific qualitie
