G 7510, Shaft D & G 7641, Shaft H
Plan of G 7510, G 7631, G 7751
G 7510, Shaft D & G 7641, Shaft H
G 7510, Shaft D & G 7641, Shaft H
G 7510, Shaft D & G 7641, Shaft H
Plan of G 7510, Plan of chapel, hole under door
G 7510, Shaft I & G 7516, Shaft C and D & G 7641, Shaft F and G
G 7510, Shaft I & G 7516, Shaft C and D & G 7641, Shaft F and G
G 7510, Shaft I & G 7516, Shaft C and D & G 7641, Shaft F and G