Great Lakes Moment is a monthly column written by Great Lakes Now Contributor John Hartig. Publishing the author’s views and assertions does not represent endorsement by Great Lakes Now or Detroit Public Television.
As recently as the 1980s, a small backwater on the Trenton Channel of the Detroit River in Trenton, Michigan, was so polluted and toxic that scientists named it the Black Lagoon.
Great Lakes Now
https://www.greatlakesnow.org/2021/02/beavers-detroit-river-black-lagoon-restoration/