GSA Today
Volume 21, Number 10 (October 2011)

About the cover:
Oblique view looking NE along Crooked Ridge from The Gap, carved into the upturned Echo Cliffs, toward White Mesa in the distance. Darker part of the ridge in the foreground is mantled by river deposits. Image is composite of Landsat and shaded-relief DEM data with 10 m spatial resolution and 2× vertical exaggeration, obtained from the USGS Eros Data Center’s seamless server. See related article, p. 4–10.

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