kind of interesting, kind of depressing, that so many of the artifacts we find are the remains of garbage pits since noone wants to disturb them or needed to clean them up. Reminds me of a picture book I read from the 80s that was a 2200 or 3300 or something futureology, how they interpreted digging though some of our old dumps for things, mining others for a compressed plastic "ore" to use, etc.