we dry this, wash it, dry it, and then send it off to a paleo botanist, and what she says, she's able to identify the wild -- some of the smaller seed specimens that can't be seen with the naked eye, so what we're able to get from this is more evidence in this case about the slaves' diet, not only the bones from the kind of animals they were eating but also evidence of what kind of plat material they were processing as well, so with this what we try to do at the site is recover every bit of information from the soil. and sometimes that's information that you can't see with just the naked eye, and it takes, you know, some further processing. thanks, ellen. >> you have to put a card for that. >> no, i put our own for rounded because it's been touched by -- washed up off of it. because once it gets wet. >> as i mentioned, all these artifacts come down to the lab, and they're washed, sorted, and then cataloged and then eventually restored. and this is an example of some of the units that we've recovered from the south yard. these are actually units that we're working on just this past wee