Kingman Reef

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The Kingman Reef is a one-square-kilometer barren tropical reef in the North Pacific Ocean, about one-half of the way from Hawaii to American Samoa, at 6°24'N, 162°24'W. It is an unincorporated territory of the United States administered from Washington, DC by the US Navy, and closed to the public.

At times, its coastline can reach three kilometers in circumference, but the highest point on the reef is about one meter above sea level. It is wet or awash most of the time, making Kingman Reef a maritime hazard. It has no natural resources, is uninhabited, and supports no economic activity.

The reef encloses a deep interior lagoon that was used as a halfway station between Hawaii and American Samoa by Pan American Airways for flying boats in 1937 and 1938.

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States	Alabama \| Alaska \| Arizona \| Arkansas \| California \| Colorado \| Connecticut \| Delaware \| Florida \| Georgia \| Hawaii \| Idaho \| Illinois \| Indiana \| Iowa \| Kansas \| Kentucky \| Louisiana \| Maine \| Maryland \| Massachusetts \| Michigan \| Minnesota \| Mississippi \| Missouri \| Montana \| Nebraska \| Nevada \| New Hampshire \| New Jersey \| New Mexico \| New York \| North Carolina \| North Dakota \| Ohio \| Oklahoma \| Oregon \| Pennsylvania \| Rhode Island \| South Carolina \| South Dakota \| Tennessee \| Texas \| Utah \| Vermont \| Virginia \| Washington \| West Virginia \| Wisconsin \| Wyoming
Federal district	District of Columbia
Insular areas	American Samoa \| Baker Island \| Guam \| Howland Island \| Jarvis Island \| Johnston Atoll \| Kingman Reef \| Midway Atoll \| Northern Mariana Islands \| Palmyra Atoll \| Puerto Rico \| U.S. Virgin Islands \| Wake Island