Chloride ppm
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249.0
Clark Park Boathouse : Chicago River
Chicago, Illinois, United States
Observed by
Susanna Lang
- Observed on: Wed, 08 Feb 2023 20:23:56 +0000
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Associated with:
Winter Chloride Watchers - Lat: 41.9459657
- Lng: -87.7028653
Observation report
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Notes
Lots of mallards and a flock of geese arrived noisily as I approached. One goldeneye in sight and more about 1/3 mile north.