Hydraulic Jacks

Caption says, "5-AL-1243. Specifications No. R5-18. View of hydraulic jacks used to jack 48" diameter pipe under railroad and highway."
Date: December 7, 1949
Creator: George, P. W.
System: The Gateway to Oklahoma History

View of Pipe

Caption says, "5-AL-1244. Specifications No. R5-18. General view of pipe jacking operations under State Highway No. 44, approximately Station 74 of Lugert Dike Drain."
Date: December 7, 1949
Creator: George, P. W.
System: The Gateway to Oklahoma History