Boundaries of the Gadsden Purchase (with modern-day state boundaries of Arizona and New Mexico and nearby modern-day cities), graphic assembled by me, adapted from public domain and GFDL sources.

Original without cities can be found at Image:Gadsden_Purchase.jpg.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts.
Subject to disclaimers.

 For full information on this image, see its image description page on Wikipedia.