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Britannica Sources used in this answer

Which peoples were included among the River Yumans?

Created from Britannica articles using AI. AI can make mistakes, so verify using Britannica articles.
Map showing the distribution of Indigenous peoples and their lands in the American Southwest, with labeled areas for groups such as the Navajo, Hopi, Zuni, Apache, Pima, Yuma, Mojave, and others, along with major rivers and reservation boundaries.
Indigenous peoples of the American Southwest

The River Yumans were a group of Native American peoples who traditionally inhabited the lower Colorado and middle Gila river valleys.1

The major groups included in the River Yumans are:

These groups were primarily farmers who utilized the annual flooding of the Colorado and Gila rivers to irrigate their crops, which included corn, beans, pumpkins, and melons. Unlike the Upland Yumans, who relied more heavily on hunting and gathering, the River Yumans established more stable settlements along the fertile river bottomlands.12