SICILIA
Artwork credits & source information

Display these credits beside publicly shared images. Keep the credits on the back of prints and include credits at the point of sale and on packaging; observe each source’s terms.
Print this credits page on the back of the poster, at the same paper size. For double-sided printing, place the artwork on page 1 and these credits on page 2. Back-side credits do not replace credits beside a publicly shared image.

© OpenStreetMap contributors · ODbL 1.0 · openstreetmap.org/copyright
© OpenMapTiles · OpenFreeMap · openfreemap.org
Natural Earth · public domain
Mapzen Terrain Tiles · USGS / NOAA / regional sources
Terrain source credits: github.com/tilezen/joerd/blob/master/docs/attribution.md

Source & licence links
https://github.com/tilezen/joerd/blob/master/docs/attribution.md

Recorded source details
{
  "source": "© OpenStreetMap contributors · ODbL 1.0 · openstreetmap.org/copyright | © OpenMapTiles · OpenFreeMap · openfreemap.org | Natural Earth · public domain | Mapzen Terrain Tiles · USGS / NOAA / regional sources",
  "attributionPlacement": "separate",
  "date": "2026-10-09",
  "terrainCredits": [
    "ArcticDEM 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 and global GMTED2010 and SRTM terrain data courtesy of the U.S. Geological Survey."
  ],
  "terrainCreditsUrl": "https://github.com/tilezen/joerd/blob/master/docs/attribution.md",
  "terrainModification": "Measured elevation thresholds form stacked vector paper sheets. Shadows illustrate paper thickness; mapped water cutouts do not imply measured water depth."
}
