Have you ever heard of the Si-Te-Cah? They were said to be the ancient enemies of the Paiute. Some of the stories said the Si-Te-Cah were red-haired giants. Charles Fort or Ivan Sanderson had some stories about giant skulls with double dentition found in Utah around Pyramid Lake if I remember the stories correctly.
“... The mummies belonged to a very tall people — well over six feet and some up to seven feet tall — who had red hair. It was obvious that they were not the remains of any known Indian tribal people. Still, the miners went to the local Indians, the Paiutes, to see if they knew anything about the bodies and to see if they wanted to claim them.
Far from claiming them, the Paiutes said they were ancient enemies of their people. They called them troublemakers who towered over the native people — the Si-Te-Cah...