Well, we can always change that later, it's minor. My thinking is that we have 1598-1600 as a drop dead date for arrival, while dispersal is fuzzy and can be dealt with in the next section; even Haines hedges as to 1630, 1650, etc... and that doesn't address random stray horses that may have become feral before the Indians figured out how to capture/trade/steal them.  I'll pop it in, but we can maybe title the next time section something along the lines of "what happened from 1600 to foo" (though shorter and more eloquently than that.  (talk)