Pitheadgear:
Wills mining card series 1916. No.50, Turquoise Mines near Nishapur, Persia
Pitheadgear:
Wills mining card series 1916. No.49, Tin, Opencast mine, Perak
Pitheadgear:
Wills mining card series 1916. No.48, Tin, Mine at Camborne, Cornwall
Pitheadgear:
Wills mining card series 1916. No.47, Silver. Mechanical feed, Broken Hill, NSW, Australia
Pitheadgear:
Wills mining card series 1916. No.46, Silver, Mechanical feed, Broken Hill, NSW
Pitheadgear:
Wills mining card series 1916. No.45, Sapphires. Digging and washing sapphires, Queensland
Pitheadgear:
Wills mining card series 1916. No.44, Salt, Mine at Wieliczka, Poland
Pitheadgear:
Wills mining card series 1916. No.43 Salt Mine at Northwich, Cheshire
Pitheadgear:
Wills mining card series 1916. No.42, Salt, Mining rock salt, Northwich, Cheshire
Pitheadgear:
Wills mining card series 1916. No.41, Rubies, Sorters at work, Burma
Pitheadgear:
Wills mining card series 1916. No.40, Rubies, Mines at Mogok, Burma
Pitheadgear:
Wills mining card series 1916. No.39, Radium, Mining pitchblende, Cornwall
Pitheadgear:
Wills mining card series 1916. No.38, Plumbago (Graphite), Mines at Kurnegalle, Ceylon
Pitheadgear:
Wills mining card series 1916. No.37, Platinum. Washing alluvial gravel, Russia
Pitheadgear:
Wills mining card series 1916. No.36, Platinum. Raising alluvial gravel, Russia
Pitheadgear:
Wills mining card series 1916. No.35, Oil, Oil field on fire, Texas
Pitheadgear:
Wills mining card series 1916. No.34, Oil, An oil field in the sea, S.California
Pitheadgear:
Wills mining card series 1916. No.33. Oil, Oil field at Baku, Russia
Pitheadgear:
Wills mining card series 1916. No.32. Mica. Mica mine in Bengal, India
Pitheadgear:
Wills mining card series 1916. No.31, Marble, Lowering large blocks, Carrara, Italy
Pitheadgear:
Wills mining card series 1916. No.30, Marble, Channelling machine at work
Pitheadgear:
Wills mining card series 1916. No.29. Marble, Cutting marble in a Belgian quarry
Pitheadgear:
Wills mining card series 1916. No.28. Iron, Unloading iron ore, USA
Pitheadgear:
Wills mining card series 1916. No.27, Iron, Steam shovel at work, USA
Pitheadgear:
Wills mining card series 1916. No.26, Iron, Iron ore mine, Grangesberg, Sweden
Pitheadgear:
Wills mining card series 1916. No.25, Iron. Opencast iron mine, Urals, Russia
Pitheadgear:
Wills mining card series 1916. No.24, Gold. Dredging for gold, N.America
Pitheadgear:
Wills mining card series 1916. No.23, Gold, Panning at Klondyke
Pitheadgear:
Wills mining card series 1916. No.22, Gold, Cyanide vats, S.Africa
Pitheadgear:
Wills mining card series 1916. No.21, Gold, Stamp battery
