Assessment of eighteen public ground-water supplies in Illinois - Wehrmann, H. Allen; Ringler, Robert W.; Illinois State Water Survey (Urbana, IL : Illinois State Water Survey Division, 1980)
"Prepared for the State Division of Water Resources under contract no. 1-47-26-84-351."
"SWS Contract report no. 237."
"July 31, 1980."
Mode of access: Internet.
Keywords: Groundwater -- Illinois; Water-supply -- Illinois