Address: 1680 Seacoast Dr, Imperial Beach, CA 91932Supplies: Acid, hand lenses, stopwatchesDr. Sasha Carter created parts of this field trip packet.This is a part of the state that has in some sense seen more than its share of human impact. While the international border cuts through our field area, and as a result of evolving trade and immigration policy along with the general mess of human development there has been quite a bit of pollution and damage to the beach and the salt marsh behind it. There is no fewer than 5 owners of the land in the marsh, not all of whom have the same intentions and often are at odds with one another. But do not lose hope. There have also been some substantial efforts toward conservation. And as a result of informed efforts the metaphorical barbaloots and their barbaloot suits are returning.Watch the videos to do the lab https://drive.google.com/drive/folders/1EhU3v5dl2N...