Top Ranked Topographic Change Polygon Mean Elevation Change
Top ranked topographic change polygon (outlined in yellow): largest mean elevation change for a fill (104.6 m). This feature is located at the Morenci copper mine near Clifton in southeastern Arizona. From left to right, the images are NED shaded relief, SRTM shaded relief with change polygons overlaid (blue = cut; red = fill), and Landsat image. The dates of the source data for the NED and SRTM are shown. This area is about 5.5 km east-west by 9.7 km north-south.
See the Significant Topographic Changes in the United States project for more information.