. "gunpowder explosion" . "Stopping Dagenham Breach" . . . . . . . . "Embanking of the tidal Thames" . "London and its marshes" . . . "as did most of the tidal Thames" . . "Thames estuary including large parts of London" . "embanking of the tidal Thames" . . "Dagenham Breach" . "Embanking of the tidal Thames" . "Embanking of the tidal Thames#The great breach, or Poplar Gut" . . "inning" . . "Embanking of the tidal Thames#Marsh law" . "Poplar Gut" . . "Erith explosion" .