Resources Use ISGS’ expertise & resources to make data-driven decisions.
Publications, Maps & Data
ISGS publishes maps as well as articles in journals, reports, and series publications.
Interactive Tools
ISGS maintains several GIS tools, like ILMINES, ILOIL, and ILWATER, as well as historical imagery, and wiki-style resources.
Geological Records & Samples
ISGS is the official repository for Illinois' drilling and well records and one of the largest collections of geologic samples in the United States.