Major John Wesley Powell's boat the "Emma Dean", Grand Canyon National Park, Arizona. 1871 (approx).
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/50693818@N08">Grand Canyon National Park</a>
<a rel="nofollow" class="external text" href="https://www.usgs.gov/media/images/major-john-wesley-powells-boat-emma-dean">Educational Resources, USGS</a> &amp; <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/grand_canyon_nps/7304988964/">17254   Grand Canyon Nat Park: Historic River Photo</a>