strongspan class="large"SPIRIT MOUND IS ONLY 5 MILES NORTH OF VERMILLION./span/strongbr/ span class="large"The Missouri River has meandered quite a bit in the past 200 years, but Spirit Mound has stayed in one place sostrong we know that Lewis and Clark actually stood on top August 25, 1804./strong /spanbr/span class="large"It was the first time both captains saw large herds (est. 800) of bison and elk. 6 miles north of Vermillion./span