Website credits

Typefaces

The fonts are served by this website itself; no font service is contacted.

• Unbounded — Copyright 2022 The Unbounded Project Authors (github.com/googlefonts/unbounded). SIL Open Font License 1.1.
• Spectral — Copyright 2017 The Spectral Project Authors (github.com/productiontype/Spectral). SIL Open Font License 1.1.
• IBM Plex Mono — Copyright © 2017 IBM Corp. with Reserved Font Name “Plex”. SIL Open Font License 1.1.

Elevation data

The contour landscapes are drawn from real elevation data: Terrain Tiles (Open Data on AWS). Data sources:

• ArcticDEM terrain data DEM(s) were created from DigitalGlobe, Inc., imagery and funded under National Science Foundation awards 1043681, 1559691, and 1542736;
• Australia terrain data © Commonwealth of Australia (Geoscience Australia) 2017;
• Austria terrain data © offene Daten Österreichs – Digitales Geländemodell (DGM) Österreich;
• Canada terrain data contains information licensed under the Open Government Licence – Canada;
• Europe terrain data produced using Copernicus data and information funded by the European Union – EU-DEM layers;
• Global ETOPO1 terrain data U.S. National Oceanic and Atmospheric Administration;
• Mexico terrain data source: INEGI, Continental relief, 2016;
• New Zealand terrain data Copyright 2011 Crown copyright (c) Land Information New Zealand and the New Zealand Government (All rights reserved);
• Norway terrain data © Kartverket;
• United Kingdom terrain data © Environment Agency copyright and/or database right 2015. All rights reserved;
• United States 3DEP (formerly NED) and global GMTED2010 and SRTM terrain data courtesy of the U.S. Geological Survey.

Software

• WordPress — GNU General Public License v2 or later.
• Kadence theme by Kadence WP — GNU General Public License v3 or later.