The country of the Yumas (from the locution Yah Mayo, Child of the Head) it was situated on the banks of the river Colorado. The Yumas were primitive but effective agriculturists, that cultivated corn, melons, beans and pumpkins. Onate I visit them ' in 1604-1605 and it reported ' that their physicist it was beautiful. The First Spaniards said of them: "the men well fully grown son, the fat and healthy women", and they called " Diegueno " a small group of tribe ' and rancherias yuma installed near the actual San Diego. Around 60 Yumas they live in the Reserve today Cocopah of 600 acrid in the County of Yuma, in Arizona.
