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1891. Migeon, J. and Stanford Geospatial Center. This layer is a georeferenced raster image of a continental map of Africa titled 'Afrique Physique,' originally created by J. Migeon in 1891. The m... Stanford Digital Repository.
1994 and 1995. National Geophysical and Solar-Terrestrial Data Center. This map shows light sources from human settlements in Africa as observed during 1994-1995. The Defense Meteorological Satellite Program (DMSP) Ope... National Geophysical and Solar-Terrestrial Data Center.