Underground workings of Battery and Bird Reef
- ZA HPRA A1138-A-2-2.12
- Unidad documental simple
- 31 December 1935
Underground workings of Battery and Bird Reef
Underground workings of Main Reef
Underground workings of South Reef
Underground workings of South Reef and Bird Leader
Underground plan shewing workings
Underground plan shewing workings
Underground plan shewing workings