With the arrival of Francisco Vázquez de Coronado, a Spanish conquistador, the first recorded history of encounter between Europeans and Native Americans in the Great Plains occurred in Texas, Kansas and Nebraska from 1540-1542. In that same time period, Hernando de Soto crossed a west-northwest direction in what is now Oklahoma and Texas. Today this is known as <answer>the De Soto Trail</answer>. The Spanish thought the Great Plains were the location of the mythological Quivira and Cíbola, a place said to be rich in gold.
what is the section of oklahoma and texas that  Hernando de Soto traveled?
the De Soto Trail