East Branch DuPage River at Hidden Lake Forest Preserve : East Branch DuPage River

Downers Grove, Illinois, United States

Observed by
Mark Thomas

• Observed on: Sun, 26 May 2024 07:40:00 -0500
• Testers Mark Thomas
• Associated with:
  National Great Rivers : Winter Chloride Watch
• Lat: 41.825679
• Lng: -88.053081

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