Spoon River Area Assessment: Water resources Illinois. Department of Natural Resources Published: 1998 Total Pages: 86 Get eBook
Vermilion River (Illinois River Basin) Area Assessment: Water resources Published: 2000 Total Pages: 78 Get eBook
Illinois River Bluffs Area Assessment: Living resources Illinois. Dept. of Natural Resources. Office of Scientific Research and Analysis Published: 1998 Total Pages: 204 Get eBook
Illinois River Bluffs Area Assessment: Socio-economic profile. Environmental quality. Archaeological resources Published: 2001 Total Pages: 178 Get eBook
