The north wall was completed in 1821. Longshore drift now deposited material behind the North Bull wall. This helped to build a large sand spit, which developed into North Bull Island.
The island reached its current length in 1902. It is approximately 5 km long and 1 km wide at its widest point.
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Managing information and thinking:
37 Locate both the
North and South Bull walls on this OS map.
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Name all the features of
coastal deposition that you can see in this aerial photograph of Dublin Bay.
