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Stream Gages in Illinois: Illinois Topography and 100-Year Floodplain in Unincorporated Areas Basemap

 
 Volume/Number:  2007 August 2 
 Issuing Agency:   
 Description:  Map of stream gages in Illinois. Stream gages monitor streams and collect information such as water height and discharge. This information is useful for flood prediction, water management, recreation and navigation purposes. The location of stream gages maintained by the USGS and IDNR Office of Water Resources are shown on this map. The map also shows the stream gages in relation to the underlying topography, major watershed boundaries and streams. 
 Date Created:  12 02 2009 
 Agency ID:   
 ISL ID:  000000023236   Original UID: 11825 FIRST WORD: Stream