This report gives an overview of U.S. Geological Survey, Illinois District, Water Resources Division activities related to the water resources of the State of Illinois. The report includes sections describing District organization, programs, water conditions, data collection activities, and project summaries. Also included is a complete listing of District and Illinois-related USGS publications.
Additional publication details
USGS Numbered Series
Water-resources activities of the U.S. Geological Survey in Illinois, 1990