This post from a few years ago covers prehistoric trade, in general terms, for a good portion of far western North America.

In addition, I briefly answered a question about trade in the southern Great Basin a couple of weeks ago.

You might be interested in this previous answer of mine about long-distance trade routes: https://www.reddit.com/r/AskHistorians/comments/kf01cw/is_it_true_that_the_native_americans_had_no/