Meatpacking in America: Still a Jungle Out There? . NOW | PBS
Of course beyond food we ahd this as well:
The Cuyahoga River ( /ˌkaɪ.əˈhɒɡə/ KY-ə-HOG-ə, or /ˌkaɪ.əˈhoʊɡə/ KY-ə-HOH-gə) is located in Northeast Ohio in the United States. Outside of Ohio, the river is most famous for being "the river that caught fire", helping to spur the environmental movement in the late 1960s. Native Americans called this winding water "Cuyahoga," which means "crooked river" in the Iroquois language.
Cuyahoga River - Wikipedia, the free encyclopedia
The Los Angeles Times reported that a pall of smoke and fumes descended on downtown, cutting visibility to three blocks. Striking in the midst of a heat wave, the "gas attack" was nearly unbearable, gripping workers and residents with an eye-stinging, throat-scraping sensation. It also left them with a realization that something had gone terribly wrong in their city, prized for its sunny climate.
50th Anniversary of Smog War