Disgrifiad
Dyffryn Road Bridge over Plymouth feeder, Merthyr Tydfil: 2 sheets - Plotting, plan and elevation of bridge, by B. A. Malaws and D.K.Leighton, January 1979. Also survey sketch by D.B.Hague, June 1974. Marked Site 84.
Cychwynnwr
Mr Douglas B. Hague, David K. Leighton, Mr Brian A. Malaws, RCAHMW
