Learn more about MAGIRT on the ALA website.
Esri makes it easy to work with elevation data by offering two dynamic world elevation image services (Terrain and TopoBathy). These services provide online access to a global collection of multi-resolution and multisource elevation. Learn more at: data. http://blogs.esri.com/esri/arcgis/2014/07/11/introducing-esris-world-elevation-services/