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United States
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Illinois
/
Illinois State Geological Survey
/
ArcGIS Enterprise
https://data.isgs.illinois.edu/arcgis/rest/services
https://data.isgs.illinois.edu
/arcgis/rest/services
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Status
Active
Hosting
ArcGIS Enterprise
Host
data.isgs.illinois.edu
Last checked
Source list, 2026-09-03