Final answer:
The painted elk hide is attributed to Cotsiogo (Cadzi Cody), an Eastern Shoshone artist from the Wind River Reservation in Wyoming. His work reflects the culture and practices of his people.
Step-by-step explanation:
The painted elk hide attributed to Cotsiogo (Cadzi Cody) is a significant piece of Native American art. Cotsiogo, of the Eastern Shoshone from the Wind River Reservation in Wyoming, created traditional elk hide paintings that depicted various aspects of life, including scenes of bison, hunting, games, and ceremonial practices. His work is an important representation of the history and culture of the Eastern Shoshone people.