A mape with three sets of Demographic Data (by income level).

This map is not clear. You cannot see clear distinction between the levels of income. Instead of seeing regions dominated by one income level, most regions consist of all three, mixing the color code. Too many layers of data will obscure view of the bottom layer (in this case, the size and location of landfills are covered). It would be best to have three maps: one showing each income level in relation to the location/size of landfills.


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