| A | B |
| waterway | a body of water that can be sailed or floated down |
| Channel Catfish | Missouri's state fish |
| Barbels | the whiskers on a fish |
| go-between | one who acts as a messenger between two people |
| explorer | one who investigates and examines a new area |
| fur trader | someone who trades tools, beads, clothes guns, etc. with the American Indians for furs |
| Black Robes | The nickname the American Indians called the French Catholic Priest |
| Jacques Marquette | A French Catholic Priest who explored the Mississippi River |
| Louis Jolliet | A fur trader who explored the Mississippi River |