Complex sentence: The de Soto expedition landed in Uzita territory in 1539, and then passed through Mocoso territory, and further north along the Withlacoochee River, the inland towns of Guacozo, Luca, Vicela, Tocaste, all of which may have been Safety Harbor culture settlements.
Split into simpler sentences: The de Soto expedition landed in Uzita territory in 1539, and then passed through Mocoso territory, and further north along the Withlacoochee River. It noted the inland towns of Guacozo, Luca, Vicela, Tocaste, all of which may have been Safety Harbor culture settlements.