Missouri River stretching from Montana to Missouri with dams and reservoirs built in the <a href="https://en.wikipedia.org/wiki/Pick%E2%80%93Sloan_Missouri_Basin_Program" class="extiw" title="en:Pick–Sloan Missouri Basin Program">Pick–Sloan Program</a> and Indian reservations affected by reservoir flooding (red)
<a href="//commons.wikimedia.org/wiki/User:NordNordWest" title="User:NordNordWest">NordNordWest</a>
CC BY-SA 3.0 de
<p>Own work  using:
</p>
<ul><li>World Data Base II data</li>
<li>GTOPO30 data</li></ul>