August 31, 1804
Lewis and Clark meet the Dakota tribe and learn that they eat meat from following the Buffalow, and some ground potatoes.
Original journals of the Lewis and Clark Expedition, 1804-1806
They furnish Beaver, Martin, Wolfs, Pichou, Bear & Deer Skins, and have about 40 Traders among them. The Dar co tar (Dakota) or Suouez rove & follow the Buffalow raise no corn or any thing else the woods & praries affording a sufficiency, they eat Meat, and Substitute the Ground potato which grow in the Plains for bread.