A Geological Sketch Map of Africa South of the Zambesi. By E. P. T. Struben (London: Edward Stanford, 1896.) ...

This example processes the MAPS.AFRICA map data set, supplied with SAS/GRAPH, to produce a new map data set that contains no internal boundaries. This is done by adding a new variable, REGION, to the ...

LAST month Kai Krause, a computer-graphics guru, caused a stir with a map entitled "The True Size of Africa", which showed the outlines of other countries crammed into the outline of the African ...

Beneath the surface of Africa lies a wealth of mineral resources of enormous value. In 2019, the continent produced almost 1 billion tonnes of minerals worth $406bn. According to the United ...