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USGS Mineral Resources: Illinois geologic map data


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From the site: "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."

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Data and Resources

    Gathering Resources...


Spatial Extent

Map data © OpenStreetMap contributors
Tiles by MapBox

Additional Info

Field Value
Last Updated May 28, 2014, 22:26 (EST)
Created May 28, 2014, 22:25 (EST)
Citation Ben Schubert, USGS Mineral Resources: Illinois geologic map data, 2014-05-28,
Netl Product no
Organization Acronym USGS
Spatial {"type":"MultiPolygon","coordinates":[[[[-87.01171875,42.98857645832184],[-87.01171875,36.58024660149866],[-91.669921875,36.58024660149866],[-91.669921875,42.98857645832184],[-87.01171875,42.98857645832184]]]]}