Mouth of the Dubois River, the location from which the Lewis &amp; Clark Expedition left the United States and headed up the Missouri River in 1804. The Missouri River is visible in the opening of the trees on the horizon and the Mississippi River crosses from right to left. Lewis and Clark State Historic Site (Illinois)
<a href="//commons.wikimedia.org/wiki/User:Chris_Light" title="User:Chris Light">Chris Light</a>
CC BY-SA 4.0
<span class="int-own-work" lang="en">Own work</span>