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Oklahoma
Capital - Oklahoma City
Nickname. Sooner State.
Motto. Labor Omnia Vincit (Labor Conquers All Things).
Population ( 2010 census ). 3,751,351
Extent. Area, 69,919 square miles (181,089 square kilometers),
including 1,137 square miles (2,945 square kilometers) of water surface (18th state in size).
Elevation. Highest, Black Mesa, 4,978 feet (1,517 meters),
in extreme northwestern corner of panhandle; lowest, Red River at southeastern corner of state,
300 feet (91 meters); average, 1,300 feet (396 meters).
Geographic Center. 8 miles (13 kilometers) north of Oklahoma City.
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