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North American 1927
Mean for CONUS
(Continental United
States)
North American 1927
Mean for CONUS (East
of Mississippi River)
including Louisiana,
Missouri, Minnesota
North American 1927
Mean for CONUS
(West of Mississippi
River)
North American 1927
Alaska
North American 1927
Bahamas (Except San
Salvador Island)
North American 1927
Bahamas (San Salvador
Island)
North American 1927
Canada (Alberta, British
Columbia)
North American 1927
Canada (Manitoba,
Ontario)
North American 1927
Canada (New Brunswick,
Newfoundland, Nova
Scotia, Quebec)
North American 1927
Canada (Northwest
Territories,
Saskatchewan)
North American 1927
Canada (Yukon)
North American 1927
Canal Zone
North American 1927
Cuba
North American 1927
Greenland (Hayes
Peninsula)
North American 1927
Mexico
North American 1983
Alaska, Canada, CONUS
North American 1983
Central America, Mexico
Observaorio Metereo
1939; Azores (Corvo &
Flores Islands)
Old Egyptian 1907
Egypt
Old Hawaiian
Mean for Hawaii, Kauai,
Maui, Oahu
Old Hawaiian
Hawaii
Old Hawaiian
Kauai
Old Hawaiian
Maui
Old Hawaiian
Oahu
Oman
Oman
Ordinance Survey
Great Britain 1936 - Mean
for England, Isle of Man,
Scotland, Shetland
Islands, Wales
Ordinance Survey
Great Britain 1936 -
England
Ordinance Survey
Great Britain 1936 -
England, Isle of Man,
Wales
Ordinance Survey
Great Britain 1936 -
Scotland, Shetland
Islands
Ordinance Survey
Great Britain 1936 -
Wales
Pico de las Nieves
Canary Islands
Pitcairn Astro 1967
Pitcairn Island
Point 58
Sweden
Santo (DOS)
1965 Espirito Santo
Island
Sao Braz
Azores (Sao Miguel,
Santa Maria Islands)
Sapper Hill 1943
East Falkland Island
Schwarzeck
Nambia
Selvagem Grande
Salvage Islands
SGS 85
Soviet Geodetic System
1985
South American 1969
Mean for Argentina,