Shopdog
Why not? That would be the best way to aquire raw materials and maintain relations with those around you. Not only that, I'm sure they would celabrate with some kind of party at these events.
At the house I've got a book that documents trade patterens across the southwest. It was really interesting, and it made sense as there is evidence of those practices that has come to light in recent years. (based on compiled archaelogical reasearch) I'll look for it tonight if your interested. Email me if you are. It may be in "the Indians of Texas" by Hester, I don't remember offhand.
Case in point: Around here there's no flinty rock. Everything here on the west side of Galveston Bay, (We're talking flint now) is of river cobble from the Colorado River basin to the south about 100 miles. Go across the bay to Smith Point, Bolivar penninsula, all the lithics are of pertified wood from the northerly Piney Woods/Big Thicket soil, also about a 100 miles away. Several years ago while surface hunting out west in Llano County, I found the remainder of a welk spiral that was being cut into beads. Were talking 200 miles or more to the closest gulf shore. When you add the lower sea level in early archaic times thats another 20 miles or more. Pretty cool stuff!! Lone Star