St Joseph Creek at the Olsons : St Joseph Creek

Downers Grove, Illinois, United States

Observed by
Kathy Olson

• Observed on: Thu, 14 Dec 2023 15:03:00 -0600
• Testers Kathy and Edmund Olson
• Associated with:
  National Great Rivers : Winter Chloride Watch
• Lat: 41.7934959
• Lng: -88.0284691

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