Mashaba Rhodesian Asbestos Co., Ltd.
Asbestos and Trust Ltd.
Asbestos in Rhodesia
I.S. Olver
Ancient Mines of South Africa
Roan Antelope Copper Co.
Wankie Colliery Ltd. (Co.)
Inyaminga (Inhaminga) Petroleum Ltd. Portuguese East Africa
Coal in Portuguese East Africa
Chicoa Silver Mines - Portuguese East Africa
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