| Description | View of open trench with mains immediately outside Croxteth Valve House [this is opposite view to NW/LIG/A0/T/D/40/45]; legend "Croxteth Valve House Shows a general view of the Croxteth Valve House with the 18in approach main from Garston and the inlet and outlet mains to the valve house"; Ref M146S; dated 2 June 1947 |