1. Floods of September 26-October 4, 1986, and August 14-17, 1987, in Illinois Author/Creator: Balding, G. O., author Publication/Creation: Urbana, Illinois : U.S. Geological Survey, 1993 Resource Type: Book Access & Availability: Loading
2. Changes in chloride concentration in water from municipal wells that tap aquifers in rocks of Cambrian and Ordovician age in northeastern Illinois, 1915-84 Author/Creator: Balding, G. O., author Publication/Creation: Urbana, Illinois : U.S. Department of the Interior, U.S. Geological Survey, 1991 Resource Type: Book Access & Availability: Loading