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USGS 05446600 ROCK RIVER NEAR COLONA, IL

  Stream Site

DESCRIPTION:
Latitude 41°28'17",   Longitude 90°23'26"   NAD27
Henry County, Illinois, Hydrologic Unit 07090005
Drainage area: 9,640.00 square miles
AVAILABLE DATA:
Data Type Begin Date End Date Count
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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