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Figure 1.2 shows the overlay of streets, building footprints, and vegetation data to create a map of all three layers.
Figure 1.2 Visual Representation of Data Themes in a Geographic Information System. (U.S. Government Accountability Office. Public Domain).
Source: U.S. Government Accountability Office, https://commons.wikimedia.org/wiki/File:Figure_1-_Visual_Representation_of_Data_Themes_in_a_Geographic_Information_System_(16793207609).jpg This work is in the Public Domain.