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Legend - shows what all symbols on a map stand for
Scale - used to measure distance on a map (ex. 1"= 100 feet)
Grid - A system of lines used to pinpoint places on a map or globe.
Latitude - imaginary lines that show the distances north or south of the equator.
Longitude - imaginary lines that show the distances east or west of the prime meridian
Equator - the imaginary line that goes around the center of the globe.
Prime Meridian - the central longitude line.
Topographic Map - map that shows the elevation of the land uses contour lines.
Elevation - height of the land above sea level.
Contour line - lines that connect areas of equal elevation on a map.
Contour interval - the difference between two neighboring contour lines.
Look here for a web site about Latitude and Longitude
Look here for a web site about topographic maps
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