Just as a car can't be started without the right key, many maps would be indecipherable without their legend, or key. Map keys show what pictures and colors on a map represent and often offer clues as to the kind of map. Readers learn how map keys can illuminate all kinds of...
Just as a car can't be started without the right key, many maps would be indecipherable without their legend, or key. Map keys show what pictures and colors on a map represent and often offer clues as to the kind of map. Readers learn how map keys can illuminate all kinds of...