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Interactive Map

Discover information about Idaho geology, oil & gas, mines, geothermal areas, geochemistry and more.

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Mines & Minerals

Mining is an important part of Idaho's economy. Each year IGS publishes a review of mining and exploration throughout the state.

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Idaho Geologic Map

Our most popular item! View as PDF, or access GIS data and web services.

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Latest IGS Publications

Looking for something new? See our latest maps, datasets, reports and more!