St Louis lies on the west bank of the Mississippi River. Just north of the city proper, the Missouri River joins the Mississippi.
Both the Illinois & Missouri rivers join the Mississippi river near St. Louis, Missouri.
The Missouri river joins the Mississippi at St. Louis.
The Missouri River joins the Mississippi very near St Louis.
missouri
St. louise river
The Arkansas River.
The Missouri River is actually a major tributary to the Mississippi River, so the question does not make sense
The Missouri flows more or less in a North-west to South-East direction before it joins with the Mississippi just north of St Louis.
The Missouri River.
Arkansas river
The Missouri River flows into the Mississippi River just north of Saint Louis, Missouri.