Digital Maps and Geospatial Data | Princeton University
Nigeria conflated historical administrative boundaries, 1931
- Map and Geospatial Information Center, Lewis Library, Princeton University
Shapefile representing historical boundaries of provinces in Nigeria for 1931. GADM country-level administrative shapefiles were conflated with, and where necessary supplemented by, the extracted boundaries of a scanned British Colonial Office map.
- Nigeria, Cameroon, Cameroons, and British Cameroons
- 1931, 2017, and 2017
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