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USGS 414124087341801 BIG MARSH AT CHICAGO, IL

  Lake Site

DESCRIPTION:
Latitude 41°41'23.73",   Longitude 87°34'18.16"   NAD83
Cook County, Illinois, Hydrologic Unit 04040001
Datum of gage: 581 feet above   NAVD88.
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Field/Lab water-quality samples 2023-04-26  2023-04-26  1 
 Revisions  Loading...
OPERATION:
Record for this site is maintained by the USGS Illinois Water Science Center
Email questions about this site to Illinois Water Science Center Water-Data Inquiries