All versions of World Relief Map 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 author, Tom Patterson, renounces all financial claim to the maps and invites you to use them for personal, educational, and commercial purposes.
No permission is needed to use World Relief Map. Crediting the author is unnecessary. However, if you wish to cite the map, simply use the following: Tom Patterson.
The author provides World Relief Map as a public service and is not responsible for any problems relating to accuracy, content, design, and how it is used.