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Princeton
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1925
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1. Zambia conflated historical administrative boundaries, 1925
1925. Map and Geospatial Information Center, Lewis Library, Princeton University. Shapefile representing historical boundaries of districts in Northern Rhodesia (Zambia) for 1925. GADM country-level administrative shapefiles were...
2. Zambia extracted historical administrative boundaries, 1925
1925. Map and Geospatial Information Center, Lewis Library, Princeton University. Shapefile representing historical boundaries of districts in Northern Rhodesia (Zambia) for 1924-25. Boundaries were extracted from a scanned Briti...