Duke And Duchess Of Gloucester Tour Flooded Areas Of Fenland: Inspect Earith Gap In Banks Of The River Ouse -- The Duke and Duchess of Gloucester photographed during their inspection of the Earith Gap. Both wearing oilskins. The Duke of Gloucester is talking to a member of the Ouse Catchment Board. The Duke and Duchess of Gloucester inspected the flooded areas bear Ely, Cambridgeshire, and inspected the Earith Gap,in the banks of the River Ouse, at Bluntisham, where flood water poured through and inundated many square miles of the Fenland. district,causing millions of pounds worth of damage to the surrounding countryside. Troops have fought for weeks stem the breach in the banks, and eventually the Gap was closed by placing Neptune tanks in position against the floodwater. March 30, 1947.