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Across 2. A CLASSIC NEW JERSEY LIGHTHOUSE 3. TODAY, ___HAS REPLACED MOST KEEPERS 5. LIGHTHOUSE OF ____WAS BUILT ON PHAROS ISLE 7. MANY LIGHHOUSES TODAY USE_____ 8. THE STUDY OF LIGHTHOUSES 10. PHAROS LIGHTHOUSE IS ONE OF ____OF ANCIENT WORLD 14. MEDIEVAL LIGHTHOUSE IN SPAIN IS THE_____ 17. TODAY'S LIGHTHOUSES ARE____ 18. HAS MOST POWERFUL LAMP IN WESTERN HEMISPHERE 20. THREE GENERATIONS OF SCOTTISH LIGHT HOUSE BUILDERS 21. PHAROS LIGHTHOUSE WAS BUILT IN _____BC 22. LIGHTHOUSES MARK ____COASTLINES 23. EUROPEAN LIGHTHOUSE DEVELOPMENT GREW IN ____CENTURY

Down 1. ROMAN BRITISH VERSION OF PHAROS IS IN_____ 2. US____WAS CREATED IN 1789. 4. OLDEST EXISTING IN USE LIGHTHOUSE IN US(1764) 6. FIRST LIGHTHOUSE IN AMERICA 8. USED AS A NOUN FOR LIGHTHOUSE 9. A COASTAL TOWER USED TO AID SEA NAVIGATION 11. YEAR OF FIRST US LIGHTHOUSE 12. FIRST US LIGHTHOUSE KEEPER 13. IN 1907, SWEDE, N. DALEN INVENTED THIS TO CONTROL BEACON 15. BY END OF 19TH CEN., US HAD ___LIGHTHOUSES OF ANY NATION 16. MOST MODERN LIGHTHOUSES HAVE A SINGLE STATIONARY___ 18. TODAY US _____ DIRECTS LIGHTHOUSES 19. NILS DALEN WAS AWARDED THIS IN PHISICS