They begin with the early harvest in Oklahoma, and work northwards up the Missouri and the Red river until the season closes in Manitoba.
In 1823 extensive explorations of the Minnesota and Red River valleys were conducted by Major Stephen Harriman Long (1784-1864), and subsequently (1834-1836) knowledge of the region was extended by the investigations of the artist George Catlin (1796-1872), the topographer George William Featherstonhaugh (1780-1866), and the geologist Jean Nicholas Nicollett (1786-1843).
Wide, whose waters flow north into the Bois de Sioux river, whence they flow into the Red River (of the North).
The remarkably level character of the Red River district is due to horizontal deposits in the bottom of this lake, which have been little dissected by river erosion.
By South and North Dakota - the Red River (commonly called the Red River of the North) separating it from the latter state - on the N.
These flood plains form collectively what is known as the alluvial region, which extends in a broad belt down the Mississippi, from the mouth of the Ohio to the Gulf of Mexico, and up the Ouachita and its branches and the Red river to and beyond the limits of the state.
Geographically the wheat-raising area extends across the entire south of the state - the Minnesota Valley and the Red River Valley - the rich glacial loam of which renders it one of the most productive wheat regions in the world.
Of 1500 species of herbaceous plants in the Red river basin, it is estimated that fully half reach here their geographical limit or limit of frequent occurrence.
It has been so useful in relieving the Mississippi of floods, that the Red river may possibly be permanently diverted again into the bayou artificially.
In the ravines the eastern flora continues for some distance, and then disappearing gives place to that of the prairie, which is found everywhere between the Red river and the Rocky Mountains except in wooded and damp localities.