Wankie Colliery Ltd. (Co.)
Benguela Railway Co.
Underground plan shewing workings
Underground plan shewing workings
Underground plan shewing workings
Underground plan shewing workings
Portuguese East Africa - Gazaland-Zambezi-Mozambique-Inhambane-Nyassa (Niassa)
Beira- Mozambique- Portuguse East Africa
Chicoa Silver Mines - Portuguese East Africa
Coal in Portuguese East Africa
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