http://www.agocg.ac.uk/reports/visual/casestud/dykes/figure9.gifAn Unclassed Choropleth map portrays it's data values by shading. An unclassed choropleth map does not break down the information into intervals. Instead of knowing the exact numeric data, you have to analyze the map on its shading. The darker the shading, the higher the numeric value is, and the lower the numeric value is, the softer the shading will be.
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