 After the Industrial Revolution, many paper mills that sprouted up along the Kalamazoo River were found to be the cause of PCB contamination.The publication in a 1953 issue of Life Magazine of a photograph depicting dead carp floating in the Kalamazoo River drew national attention to the public interest.The Kalamazoo Superfund site was added to the National Priorities List on August 30, 1990, and the First Cleanup Action began in late 1990.