Mapping for One-Place Studies - a forum
Our prototype Mapping System (M4OPS) => M4OPS - for those responsible for an OPS => Sources of Maps and Geographic Datasets => Topic started by: PeterC on 2 December 2017, 06:28:46
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Although not very useful at the local level, the article Where to Find GIS Data for Historical Country Boundaries (https://www.gislounge.com/find-gis-data-historical-country-boundaries/) has some useful pointers.