Description: "Production of phosphate, nitrates, and potash in Africa in 1913... Each dot represents 1 per cent of world's production. A cross represents less than 1/2 per cent of world's production...Mandatories for former German colonies and changes in boundaries of territories in Africa are shown on map of Africa in the introductory text. May 1, 1920." — Department of the Interior, 1921
Place Names: A Complete Map of Africa, Algeria, Congo, Egypt, Madagascar, Nigeria, South Africa, Sudan, Abyssinia, Rhodesia, Tunis, Eritrea, Tripoli,
ISO Topic Categories: boundaries,
economy,
inlandWaters,
oceans
Keywords: Production of Phosphate, Nitrates, and Potash in Africa, physical, political, statistical, physical features,
geological, country borders, industry,
economic, boundaries,
economy,
inlandWaters,
oceans, Unknown, 1913
Source: Department of the Interior , World Atlas of Commercial Geology (Washington, DC: Department of the Interior , 1921) Plate 52
Map Credit: Courtesy the private collection of Roy Winkelman |
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