Initially the state's western border was a straight line, outlined as the meridian passing through the Kawsmouth,[30] The purpose exactly where the Kansas River enters the Missouri River. The river has moved since this designation. This line is recognized as the Osage Boundary.[31] In 1836 the Platte Acquire was included https://www.wyndhamhotels.com/baymont/liberty-missouri/baymont-liberty-mo/overview