Interesting Utah facts. You could probably make beer out of it, too, if you tried hard enough.
Utah is a veritible pot of stew when it comes to archeology/antropology.
Just because something is found “in Utah” does not necessarily mean the “Mormons did it.”
Since Lake Bonneville covered a large part of the state (as well as Nevada), it stands to reason that many (some, several) native tribes depended on it for their livlihood, in some way or another.
There are many peoples who lived in the area. The idea is to find them and discern how they functioned within the constraints that the land allowed them.