Heanertsburg - Leydsdorp - Murchison Range Add to clipboard ZA HPRA A1138-U Series Part of James Charles Napoleon Humphreys, Mining papers
Heidelburg District Add to clipboard ZA HPRA A1138-H Series 1935-1936 Part of James Charles Napoleon Humphreys, Mining papers
Iron and Steel Add to clipboard ZA HPRA A1138-JJ Series Part of James Charles Napoleon Humphreys, Mining papers
Klerksdorp District Add to clipboard ZA HPRA A1138-J Series Part of James Charles Napoleon Humphreys, Mining papers
Klip River Valley Add to clipboard ZA HPRA A1138-Y Series Part of James Charles Napoleon Humphreys, Mining papers
Lichtenburg Add to clipboard ZA HPRA A1138-X Series Part of James Charles Napoleon Humphreys, Mining papers
Lydenburg. Pilgrims Rest. Sabie Add to clipboard ZA HPRA A1138-N Series Part of James Charles Napoleon Humphreys, Mining papers
Madagascar Add to clipboard ZA HPRA A1138-XXX Series Part of James Charles Napoleon Humphreys, Mining papers
Main Reef History, Etc Add to clipboard ZA HPRA A1138-JJJ Series Part of James Charles Napoleon Humphreys, Mining papers
Manganese Add to clipboard ZA HPRA A1138-KK Series Part of James Charles Napoleon Humphreys, Mining papers