In Von Thunel’s model, the soil and the climate are consistent. They are confounding variables. The main ideas were based on more economic ideas. It is based on the transport cost, the value of the goods, area of and, rather than the quality of soil and the time frame need to harvest and sell the goods. For example, animals such as pigs that are grazers could be kept furthest from the settlement as they are self transporting and could be slaughtered for meat in the settlement. Dairy products need to be sold quicker and are expensive to transport and should be produced beside the settlements.
St. Louis is a major city that is located in Missouri along with the Mississippi river system and is 630 feet in length and has a discharge volume of water.
And to forms the straight line between the Illinois and Missouri and merger wot the Mississippi form the fourth largest river system of the world.