I know it’s way out of the normal geographical focus of TMA but there’s an interesting article on how Pre-historic midden dumps may have grown to become larger “islands” in the Florida everglades.

I wonder if they will find evidence of “Crannogs” as they dig down more?
news.sciencemag.org/sciencenow/2011/03/prehistoric-garbage-piles-may-ha.html?ref=hp