Mineral Resources On-Line Spatial Data
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Illinois geologic map data
A GIS database of geologic units and structural features in Illinois, with lithology, age, data structure, and format written and arranged just like the other states.
- View:
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- Show in a web browser window:
- http://mrdata.usgs.gov/sgmc/il.html
- Show in Google Earth or download KML:
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- Show in your GIS using OGC WMS:
- http://mrdata.usgs.gov/cgi-bin/state/il?service=WMS&version=1.1.1&request=GetCapabilities&
- Download:
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- Metadata:
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[Outline] - [Questions & Answers] - [Plain text]
- Publication:
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- USGS Open-File Report 2004-1355
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Integrated geologic map databases for the United States; the upper midwest states: Minnesota, Wisconsin, Michigan, Illinois, and Indiana
http://pubs.usgs.gov/of/2004/1355/
- Methodology:
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Detailed report of data standardization procedures
http://pubs.usgs.gov/of/2004/1355/documents/CONUSdocumentationMW.pdf
- Sources:
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Willman, H.B., and others, (compilers), 1967, Geologic Map of Illinois: Illinois State Geological Survey, scale= 1:500,000, paper.
Geologic units in Illinois