615 ILCS 5/21
Current through Public Act 103-1056
The Department of Natural Resources shall make particular research into the natural resources of this State in connection with any of the public bodies of water of the State, and obtain, classify and preserve all data which may be procurable in connection therewith, and from time to time disseminate for the information of the people of the State, by way of bulletins or publications, such information as it may thus obtain.
615 ILCS 5/21