Reposted, a fresh look at "I, Pencil."
Read shows that none of us knows enough to plan the creative actions and decisions of others.
We recall that American Indians had traded clam shells from Long Island (NY) for obsidian from the Dakotas. Free trade. I once saw that somebody tracked the pre-Columbian Indian trade routes across the Americas. I can't find it now.
" My family tree begins with what in fact is a tree, a cedar of straight grain that grows in Northern California and Oregon...."