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You searched for: geology Remove constraint geology Genre Aerial imagery Remove constraint Genre: Aerial imagery Publisher Illinois State Geological Survey Remove constraint Publisher: Illinois State Geological Survey Subject Geoscientific Information Remove constraint Subject: Geoscientific Information
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1. Buried Bedrock Surface: Illinois, 2004

1994. Herzog, B.L.. B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, C. Avery. The Buried Bedrock Surface of Illinois map represents the first revision of the bedrock topography map since the second edition was published by th...
illinois

2. 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

3. Major Bedrock Valleys: Illinois, 2004

1994. Illinois State Geological Survey. This feature dataset shows continuous lines representing the lowermost elevations/locations of (buried) bedrock valleys in the state of Illinois. A...
illinois

4. 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...