Louisiana

LA 1. Chandeleur Island
LA 2. West Rigolet
LA 3. Tchefuncte River
LA 4. Pass Manchac

LA 5.  New Canal

LA 6. Port Ponchartrain
LA 7. Pass a'L'Outre
LA 8. Franks Island
LA 9. South Pass

LA 10. Southwest Pass (1838)
LA 11. Southwest Pass (1871)
LA 12. Southwest Pass (modern)
LA 13. Ship Shoal
LA 14. Southwest Reef
LA 15. Sabine Pass