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Archival description
Historical Papers Research Archive, University of the Witwatersrand James Charles Napoleon Humphreys, Mining papers Item With digital objects
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Gold mining areas
Gold mining areas
Plan of holdings with boreholes, shafts and underground development
Plan of holdings with boreholes, shafts and underground development
Plan of Houtpoort section with boreholes, shafts and underground development
Plan of Houtpoort section with boreholes, shafts and underground development
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
Plan of workings
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