Mashaba Rhodesian Asbestos Co., Ltd. Add to clipboard ZA HPRA A1138-KKK-2582 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Asbestos and Trust Ltd. Add to clipboard ZA HPRA A1138-KKK-2581 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Asbestos in Rhodesia Add to clipboard ZA HPRA A1138-KKK-2580 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
I.S. Olver Add to clipboard ZA HPRA A1138-JJJ-2552 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Ancient Mines of South Africa Add to clipboard ZA HPRA A1138-JJJ-2551 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Roan Antelope Copper Co. Add to clipboard ZA HPRA A1138-LLL-2634 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Wankie Colliery Ltd. (Co.) Add to clipboard ZA HPRA A1138-NNN-2701 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Inyaminga (Inhaminga) Petroleum Ltd. Portuguese East Africa Add to clipboard ZA HPRA A1138-SSS-2884 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Coal in Portuguese East Africa Add to clipboard ZA HPRA A1138-SSS-2883 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers
Chicoa Silver Mines - Portuguese East Africa Add to clipboard ZA HPRA A1138-SSS-2882 Bestanddeel Part of James Charles Napoleon Humphreys, Mining papers