Isarithmic Map- uses lines or colors to define regions of the same value.
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| Topographic map of elevation intervals. |
Choropleth Map- uses different colors to define areas with different features, characteristics, or values. If monochromatic, varying lightness in color often indicates qualitative data.
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Differing terms for the same product, nationwide.
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Proportional Symbol Map- symbols vary in size place to place on the map in proportion to the quantities found at that location.
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Number of Walmarts per state.
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Dot Density Map- uses a dot symbol to indicated the presence of a feature at a location. Often used to display population trends or resource location.
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