The caves contain 80% of all dated Ice Age plant and animal materials in the Americas, including three-strand braided rope made from sagebrush bark, wooden tools, and stone spear points, shedding light on the technological sophistication and cultural practices of Pleistocene peoples.

The caves contain 80% of all dated Ice Age plant and animal materials in the Americas, including three-strand braided rope made from sagebrush bark, wooden tools, and stone spear points, shedding light on the technological sophistication and cultural practices of Pleistocene peoples.