English: Catfish Point Control Structure, at the outlet of Grand Lake into the Mermentau River, which flows into Vermilion Bay in the Gulf of Mexico. The lock is located in at the east end of Cameron Parish, Louisiana, USA. This lock is a salt water intrusion barrier to prevent the waters from the Gulf of Mexico from intruding into Grand Lake and the freshwater bayous and rivers.
{{Information | Description = {{en|Catfish Point Control Structure, Mermentau River, at Grand Lake, Louisiana, USA. This lock is a salt water intrusion barrier to prevent the waters from the Gulf of Mexico from intruding into the freshwater bayous and
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