Underground plan of Leader, Horsham and East Reef workings
- ZA HPRA A1138-A-1-1.2
- Pièce
- 31 December 1931
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground plan of Leader, Horsham and East Reef workings
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground plan of Leader, Horsham and East Reef workings
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground plan of West Reef, Lindum Reef and Black Reef workings
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground plan of Leader, Horsham and East Reef workings
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground plan of West Reef and Lindum Reef workings
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground workings of Main Reef
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground workings of Main Reef
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground workings of South Reef
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground workings of Battery and Bird Reef
Fait partie de James Charles Napoleon Humphreys, Mining papers
Underground workings of Main Reef
Fait partie de James Charles Napoleon Humphreys, Mining papers