How Marengo came to be
From Wikipedia’s history of Marengo.
In 1849, Charles Whittlesey named the adjacent river as the Maringouin Fork of the Bad River:
“The second branch [of the Bad River] from the west having, as I could learn, no name, I have called it the ‘Maringouin Fork‘ in my map in commemoration of the myriads of mosquitoes that inhabit its banks, that being the name the half-breed French give to those pests of the Bad River region. The Maringouin has its sources near Long Lake, on the west, and on the south interlocks with the upper branches of the Chippewa River, among some lakes, enclosed by drift ridges, which are, by barometrical measurement, eight hundred and seventy-one feet above Lake Superior.”
Text from Wikipedia, licensed CC BY-SA 4.0.





