Llun: 1
Wyemouth, Monmouthshire, Chepstow bulwark upstream from Caldicot levels

Tidal creek at Chepstow Bulwarks September 1972

Dyddiad: September 1972

Llun: 2
Wyemouth, Monmouthshire, Chepstow bulwark upstream from Caldicot levels

Pillar of Wye Bridge and tidal mud September 2nd 1972

Dyddiad: 02/09/1972

Llun: 3
Wyemouth, Monmouthshire, Chepstow bulwark upstream from Caldicot levels

Eroding clay and depositing alluvium. Wyemouth

Llun: 4
Wyemouth, Monmouthshire, Chepstow bulwark upstream from Caldicot levels

New Severn bridge May 1968 Littleton upon Severn, Gloucester

Dyddiad: 1983

Llun: 5
Severn Bore 17 March 1976 Newnham, Minsterworth and Goucester

Severn bore, turbulence follows is front of tide not high tide 17/03/1976

Dyddiad: 17/03/1976

Llun: 6
Severn Bore 17 March 1976 Newnham, Minsterworth and Goucester

Tidal mud Newnham car park. Before bore 17/03/1976

Dyddiad: 17/03/1976