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USGS 05442200 ROCK RIVER AT GRAND DETOUR, IL

  Stream Site

DESCRIPTION:
Latitude 41°53'23",   Longitude 89°25'10"   NAD27
Ogle County, Illinois, Hydrologic Unit 07090005
Drainage area: 8,502.00 square miles
AVAILABLE DATA:
Data Type Begin Date End Date Count
 Field measurements 1984-08-15  1990-08-02  25 
 Field/Lab water-quality samples 1977-10-06  1997-04-16  189 
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