Underground workings of South Reef

• ZA HPRA A1138-C-105-105.10
• Item
• 30 June 1933

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Bird Reef

• ZA HPRA A1138-C-105-105.11
• Item
• 30 June 1933

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Main Reef Leader

• ZA HPRA A1138-C-105-105.12
• Item
• 30 June 1934

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of South Reef

• ZA HPRA A1138-C-105-105.13
• Item
• 30 June 1934

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Bird Reef

• ZA HPRA A1138-C-105-105.14
• Item
• 30 June 1934

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Main Reef Leader

• ZA HPRA A1138-C-105-105.15
• Item
• 30 June 1935

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of South Reef

• ZA HPRA A1138-C-105-105.16
• Item
• 30 June 1935

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Bird Reef

• ZA HPRA A1138-C-105-105.17
• Item
• 30 June 1935

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of Main Reef and Main Reef Leader

• ZA HPRA A1138-C-105-105.18
• Item
• 30 June 1936

Parte de James Charles Napoleon Humphreys, Mining papers

Underground workings of South Reef

• ZA HPRA A1138-C-105-105.19
• Item
• 30 June 1936

Parte de James Charles Napoleon Humphreys, Mining papers