Papahanaumokuakea Marine National Monument
The Northwestern Hawaiian Islands Coral Reef Ecosystem Reserve was created on December 4, 2000, by Executive Order 13178. The Executive Order was amended on January 18, 2001 by Executive Order 13196 making the establishment of the Reserve complete. On June 15, 2006, President Bush signed a proclamation that created the Northwestern Hawaiian Islands Marine National Monument, later re-named the Papahanaumokuakea Marine National Monument. The Papahanaumokuakea Marine National Monument is the single largest conservation area under the U.S. flag, and at the time of establishment the largest marine conservation area in the world. It encompasses 137,792 square miles of the Pacific Ocean - an area larger than all the country's national parks combined.
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