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Geography and Map Skills - Loudoun County Public Schools

the equator. The equator is the “main” latitude line. Latitude lines are also called Parallels. 6. Longitude lines are imaginary VERTICAL lines that go through the North and South Poles. They are lines that run up and down and tell us how far east or west a place is from the Prime Meridian. The Prime Meridian is the “main” longitude line.