: Mapterhorn, merging Copernicus DEM GLO-30 (© DLR e.V. 2010–2014 and © Airbus Defence and Space GmbH 2014–2018, provided under COPERNICUS by the European Union and ESA) with national elevation models such as swisstopo, IGN, GSI, USGS, Kartverket and LINZ; fallback AWS Terrain Tiles. ATTRIBUTION
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