Cryptosporidium in the water: Lake Michigan waterfront, Milwaukee, in 1993. Coordinates: 43.0322, -87.8956.

Raw States
Showing only
© OpenFreeMap © OpenMapTiles © OpenStreetMap contributors · Imagery: Powered by Esri (Esri, Maxar, Earthstar Geographics), USGS, NASA GIBS · Historic places & battlefields: NPS · © 2026 Canary Street LLC