Unstandardized Choropleth Maps

An unstandardized choropleth map is one where the data is not averaged and is not able to have a great comparison to. Here in this map data is being compared in three different states. Wisconsin, Minnesota, and Michigan. The map is showing ski shops in the different states.

Map found here: http://www.uwec.edu/webprojects/geog367/northwoods/silent_sports.html