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Counties containing topographic change polygons

By Significant Topographic Changes in the United States
Counties containing topographic change polygons
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Detailed Description

Counties containing topographic change polygons. A total of 1,170 counties are represented, which is 37.6 percent of the counties in the conterminous United States.

 

See the Significant Topographic Changes in the United States project for more information.   

Sources/Usage

Public Domain.