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Possible online services disruption due to Internet related outage

A worldwide technology outage is causing disruption to some State of Illinois online systems.  We are aware of this issue and are diligently working on restoration.

Aerial Waterfowl Surveys 2009-2016

Waterfowl surveys for all regions from 2009-2016 are listed below.

Mississippi River

West Central Illinois

Southern Illinois

Northeastern Illinois

Illinois River