USGS Publications

USGS Geologic Investigations Series Maps I-2669 3D Geologic Maps of Quaternary Sediments in East-Central Illinois

USGS Water Science for Schools-- includes the water cycle in more than 60 languages

USGS Circular 1139: Ground Water and Surface Water-- A Single Resource

USGS Circular 1186: Sustainability of Ground-Water Resources

USGS Circular 1217: Ground-Water-Level Monitoring and the Importance of Long-Term Water-Level Data