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USGS 05587550 Mississippi River below Alton,IL

  Stream Site

Latitude 38°51'41",   Longitude 90°08'15"   NAD27
Madison County, Illinois, Hydrologic Unit 07110009
Drainage area: 171,500 square miles
Datum of gage: 403 feet above   NAVD88.
Data Type Begin Date End Date Count
 Field/Lab water-quality samples 1974-05-06  1989-09-07  250 
 Revisions  Loading...
Record for this site is maintained by the USGS Missouri Water Science Center
Email questions about this site to Missouri Water Science Center Water-Data Inquiries