Showing 345 results
Archival description345 results with digital objects Show results with digital objects
Plan of Houtpoort section with boreholes, shafts and underground development
Plan of holdings with boreholes, shafts and underground development
Underground plan shewing workings
Underground plan shewing workings
Underground plan shewing workings
Underground plan shewing workings
Underground workings
Underground workings
Underground workings
Underground workings
Results 1 to 10 of 345