"Fort Pierre [S. Dak.] and the Adjacent Prairie". 
1839 Second Expedition of Mr Nicollet North of Missour River, with Second Lieutenant Of Toporgarphical Engineers, John C. Freemont.  Left St Louis in early April of 1839 on board the Antelope, one of the American Fur Company's steam boat. On the seventieth day they reached Fort Pierre, the  chief post of the American Fur Company. From "Memoirs of My Life, by John C. Fremont,pg 39
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Karl Bodmer (d. 1893)</div>
Lithograph from Travels in the Interior of North America, 1832-1834 by Maximilian, Prince of Wied (London, 1838-43). 111-SC-92851. <a rel="nofollow" class="external text" href="https://www.archives.gov/research/american-cities/images/american-cities-008.jpg">image</a> from <a rel="nofollow" class="external text" href="https://www.archives.gov/research/american-cities/">US National Archives</a>.