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You searched for: Creator Illinois State Geological Survey Remove constraint Creator: Illinois State Geological Survey Public/Restricted Public Remove constraint Public/Restricted: Public Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Type Dataset Remove constraint Type: Dataset Type Service Remove constraint Type: Service Place Illinois Remove constraint Place: Illinois
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1. Physiographic Divisions: Illinois, 2004

1993. Illinois State Geological Survey. This is an ESRI feature class showing boundaries for physiographic divisions in Illinois. Data are originally from ISGS Report of Investigations 12...

2. Quaternary Deposits: Illinois, 1979

1979. Illinois State Geological Survey. Digital representation of the Quaternary Deposits in Illinois map by Lineback (1979). Map scale is 1:500,000. Shows Quaternary deposits that lie at...