May 1954 - The main underground pumping station at Beckermet No. 1 shaft showing three of the four sets which are capable of handling 3,800 gallons per minute

May 1954 - The main underground pumping station at Beckermet No. 1 shaft showing three of the four sets which are capable of handling 3,800 gallons per minute

(from Mine & Quarry Engineering [May, 1954])

Image Reference: L-00743-03-0065-F00