Illinois State Geological Survey | Prairie Research Institute | Illinois

Illinois State Geological Survey | Prairie Research Institute | Illinois
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Illinois State Geological Survey Home
ISGS supports the environmental quality, economic development, and public safety of Illinois by providing accurate, objective earth science research and information.
News
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.
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Interactive Tools
ISGS maintains several GIS tools, like ILMINES, ILOIL, and ILWATER, as well as historical imagery, and wiki-style resources.
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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.
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Staff Spotlight
Events
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Part of the Prairie Research Institute, home to the Illinois State Scientific Surveys
Illinois Natural History Survey
Illinois State Archaeological Survey
Illinois State Geological Survey
Illinois State Water Survey
Illinois Sustainable Technology Center