Principal meridians of Alaska
Encyclopedia
Principal meridian
A meridian is an imaginary line on the Earth's surface from the North Pole to the South Pole that connects all locations with a given longitude. Each is half of a great circle on the Earth's surface...
s of Alaska are the Copper River Meridian (established 1905), Fairbanks Meridian (adopted 1910), Kateel River Meridian (adopted 1911), Seward Meridian (adopted 1956) and Umiat Meridian (adopted 1956).