Since that time the area has changed, the Wash has been pushed back and rushes grow in areas where sands were covered by high tide. Man made drainage canals have also gained ground. The treasure is probably now lying 30ft deep. King John had taken a longer route through Wisbech and over higher ground and was able to witness the loss. He then rode to the Abbey at Swineshead.
Quicksand is in the area.
In 1775, a Robert Gordon left his home at Whitehall, NY. for Canada to avoid the war. His house was on the West side of Wood Creek on the Red Barn Lot. His money and plate was placed in a strongbox. During his journey, somewhere on the West shore of the Haven in the marshes, he dropped it and took a note of the location. He did not return from Canada.