Map: Particle Suspension Concentrations in Detroit 1974 – 1981

This map was included in the 1982 environmental impact statement for the Near East Riverfront, which I believe was in part only just redeveloped as “Orleans Landing.”

The map stood out to me not only for the dispersion of particulate matter over the years showing reductions over time, but also because the source was the Wayne County Health Department’s Air Pollution Control Division. The Air Pollution Control Division no longer exists.

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