Hallsands in Devon, England was washed away in 1917 after thousands of tons of gravel were dredged up offshore to build a Dockyard in Plymouth. The dredging cau

Hallsands in Devon, England was washed away in 1917 after thousands of tons of gravel were dredged up offshore to build a Dockyard in Plymouth. The dredging caused the level of the beach to drop leaving it unprotected from winter storms. See: http://en.wikipedia.org/wiki/Hallsands http://en.wikipedia.org/wiki/Hallsands