Western USA topography

Description

Topography of the western USA, with ten classic exposure of Powell's *Great Unconformity* marked. Vertical exaggeration 10x. * Generator: [DEM Net Elevation API](https://elevationapi.com) * Digital Elevation Model: [ETOPO1 - NOAA](https://www.ngdc.noaa.gov/mgg/global/) * Imagery: [Esri World Imagery](https://services.arcgisonline.com/ArcGIS/rest/services/World_Imagery/MapServer)