Visit Ottawa, Illinois - a great place to live... a wonderful place to visit!

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LaSalle County, Illinois, USA Location in State of Illinois Township Map Community Map Communities LaSalle County Genealogy Guild Illinois & the Civil War LaSalle County Government Center Named for Robert de la Salle Robert de la Salle was a French explorer. He sailed down the Mississippi River to the Gulf of Mexico and claimed the region for France. He named the area Louisiana after King Louis ...