peter manes, bones. this is a tooth, probably from a -- food remains. bones. this is a tooth, probably from a cow. a lot of food remains. oyster shells. even freshwater mussel shells. for those kind of things. his is all the provenance information. this is obviously critical for us to be able to know where these objects came from, their context. so, everything is kept separate either by excavation unit, strata, all those details. that's the internal recordkeeping. that's part of our analysis and understanding of the data. that's a big part of archaeology. people think of it as focusing on the fieldwork. i'm going on digging. that is only a small piece of it. the really important work happens in the analysis of the data and the interpretation. there's a lot of information. obviously everything from information about construction details or the architecture of the sight. a lot of the objects are highly dateable. the coins are the most obvious ones. also things like buttons and glasswares and ceramics. all of these things were popular at specific moments in histo