•A legend is a part of a map that interprets the meaning of point, line, and area symbols on a map. Symbols represent real world land features on a map. Symbols can be divided into three groups: point, line, and polygon (or area) symbols. Point symbols are:
•buildings
•wells
•radio towers
•Line symbols are:
•roads
•rivers
•railroad tracks
•power lines
Polygon or area symbols are:
•water bodies
•swamps
•deserts
•forested area
•glaciers
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