The river is locked, and carries a small trade up to Evesham, 28 m.
Lexington succeeded Sibley as the eastern terminus of the Santa Fe trade, and was in turn displaced by Independence; it long owed its prosperity to the freighting trade up the Missouri, and at the opening of the Civil War it was the most important river town between St Louis and St Joseph and commanded the approach by water to Fort Leavenworth.
First St Louis, and then other towns on the Missouri river in succession westward, as they were settled and became available as depots, served as the outfit points for the Indian trade up the Missouri and the trade with Mexico through Santa Fe.
Some jewelry stores offer trade in and trade up options.
Cheaper games let guests trade up small prizes for larger souvenirs if they win multiple times.