Before revision: When a new channel was cut across the Hoek van Holland to provide a straighter and deeper outlet channel for the river Maas , forming the approach channel to Rotterdam, low, broad, parallel jetties, composed of fascine mattresses weighted with stone, were carried across the foreshore into the sea on either side of the new mouth of the river, to protect the jetty channel from littoral drift, and cause the discharge of the river to maintain it out to deep water.
After revision: When a new channel was cut across the Hook of Holland to provide a straighter and deeper outlet channel for the river Meuse , forming the approach channel to Rotterdam, low, broad, parallel jetties, composed of fascine mattresses weighted with stone, were carried across the foreshore into the sea on either side of the new mouth of the river, to protect the jetty channel from littoral drift, and cause the discharge of the river to maintain it out to deep water.