Missouri River Valley

Definition and stakes

William Clark,  History of the Expedition under the Command of Captains Lewis and Clark…

“ Along this wide level country the Missouri pursued its winding course, filled with water to its even and grassy banks, while about four miles above it was joined by a large river flowing from the northwest through a valley three miles in width, and distinguished by the timber which adorned its shores; the Missouri itself stretches to the south in one unruffled stream of water as if unconscious of the roughness it must soon encounter, and bearing on its bosom vast flocks of geese, while numerous herds of buffaloe are feeding on the plains which surround it. ”
Source: Gutenberg

Federal Writers' Project of the Works Progress Administration for the State of North Dakota,  North Dakota: A Guide to the Northern Prairie State

“ At 17 m. is the YELLOWSTONE RIVER, the largest tributary of the Missouri, and an important factor in the history of exploration, settlement, and development of trade in Montana. Here, where the river joins the Missouri just within the North Dakota border, the valley once was a hunting paradise for the upper Missouri Indians, but fur traders, trappers, hunters, and settlers gave little thought to conservation, and the big game is now extinct. The three-million-dollar irrigation project completed in 1909 by the Federal Bureau of Reclamation has brought the region the title of Prosperous Valley. ”
Source: Gutenberg

C. C. Andrews,  Minnesota and Dacotah

“ The Missouri River would constitute nearly the whole of its western boundary. In the northerly part the Mouse and Pembina Rivers are among its largest streams; in the middle flows the large and finely wooded Shayenne, "whose valley possesses a fertile soil and offers many inducements to its settlement;" while towards the south it would have the Jacques, the Big Sioux, the Vermillion, and the head waters of the St. Peter's. In its supply of copious streams, nature seems there to have been lavish. ”
Source: Gutenberg

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