Surface Water Records of Illinois Geological Survey (U.S.). Surface Water Branch Published: 1961 Total Pages: 884 Get eBook
Water Resources Data for Illinois 1965 Geological Survey (U.S.) Published: 1966 Total Pages: 241 Get eBook
Water Resources Data for Illinois 1969 Geological Survey (U.S.) Published: 1970 Total Pages: 249 Get eBook
Water Resources Data for Illinois 1970 Geological Survey (U.S.) Published: 1971 Total Pages: 285 Get eBook
Water Resources Data for Illinois 1974 Geological Survey (U.S.) Published: 1975 Total Pages: 326 Get eBook