"La Salle was a French Explorer who sailed down the Mississippi River into the Gulf of Mexico and claimed for the French Crown all land drained by this mighty river. He was instrumental in establishing French dominance west of the Appalachians."@en . . "La Salle was a French Explorer who sailed down the Mississippi River into the Gulf of Mexico and claimed for the French Crown all land drained by this mighty river. He was instrumental in establishing French dominance west of the Appalachians."@en . "Sieur de La Salle (Col)"@en . . .