Guise, on the crater-please find attached. Also, this anon drives the Ches Bay Bridge Tunnel on occasion and have had concerns about the freighters sitting offshore every time I see them. Comcerns have been mostly about the potential of foreign infiltration and human smuggling up the Bay but I found this piece and was unaware of the crater, the drilling or… well, any of it.
https://news.nationalgeographic.com/news/2013/11/131120-oldest-seawater-chesapeake-bay-crater-science/
Also: just north of Lusby in the last hread graphics is Calvert Cliffs. Has a nuclear power plant.