The land in western-mediterranean-land.bin is derived from Natural Earth's 1:10m land and minor islands
(ne_10m_land and ne_10m_minor_islands, https://www.naturalearthdata.com/, via github.com/nvkelso/natural-earth-vector),
clipped to 35°N-45°N, 5°W-12°E and re-encoded by nogaos-experimental-app-navigation/scripts/prepare_land.py.

Natural Earth's terms of use (https://www.naturalearthdata.com/about/terms-of-use/), as published:

All versions of Natural Earth raster + vector map data found on this website are in the public domain. You may use
the maps in any manner, including modifying the content and design, electronic dissemination, and offset printing.
The primary authors, Tom Patterson and Nathaniel Vaughn Kelso, and all other contributors renounce all financial
claim to the maps and invites you to use them for personal, educational, and commercial purposes.

No permission is needed to use Natural Earth. Crediting the authors is unnecessary.

The authors provide Natural Earth as a public service and are not responsible for any problems relating to accuracy,
content, design, and how it is used.

Made with Natural Earth.
