State Geology Digital Documents: Illinois
Access to state geology digital documents
Illinois State Geological Survey (Prairie Research Institute, University of Illinois, Urbana-Champaign)
- Illinois State Geological Survey PublicationsAccess to digital versions of both archival and recent documents. Links to titles found online from various sources/servers, including Illinois State Geological Survey, IDEALS, Internet Archive, and HathiTrust.
- IDEALS: Illinois State Geological SurveySupplemental access to ISGS documents from the University of Illinois digital repository.