Hall & Son, George P.

Excavating shaft No. 26

Hall & Son, George P. (mentioned on object), c. 1883 - in or before 1887

Shaft no 22

Hall & Son, George P. (mentioned on object), c. 1883 - in or before 1887

Turning the arch

Hall & Son, George P. (mentioned on object), c. 1883 - in or before 1887