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You searched for: Publisher University of Illinois Urbana-Champaign Remove constraint Publisher: University of Illinois Urbana-Champaign Subject Geoscientific Information Remove constraint Subject: Geoscientific Information Layer Geom Type S Polygon Remove constraint Layer Geom Type S: Polygon
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illinois

1. Driftless Areas: Illinois, 2004

1994. Illinois State Geological Survey. This is a polygon feature class containing driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface i...
illinois

2. Glacial Boundaries: Illinois, 1998

1998. Illinois State Geological Survey. Glacial boundary lines representing the extent of glaciation for major glacial episodes in Illinois. Data originally from Quaternary Deposits in Il...
illinois

3. Soil Associations Map (500K): Illinois, 2004

1984. Illinois State Geological Survey. This is a polygon feature class showing soil associations in Illinois, from the General Soil Map of Illinois (Fehrenbacher, 1982). Created in 1984 ...
illinois

5. Woodfordian Moraines of Illinois, 2004

1991. Illinois State Geological Survey. This is an SDE polygon feature class containing named Woodfordian moraines, or Wisconsinan end moraines, of Illinois. Scale is 1:500,000. The prima...