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You searched for: geology Remove constraint geology Place Illinois Remove constraint Place: Illinois Time Period 2005-2009 Remove constraint Time Period: 2005-2009

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1. Bedrock Geology [Illinois] (2005)

Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
2005. Illinois State Geological Survey. Distribution and extent of the bedrock geologic units within Illinois. Data are as depicted on the map Bedrock Geology of Illinois (2005) by D. Kol... Illinois State Geological Survey.

2. Elevation of the Base of the Barlow Limestone [Illinois]

Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
2008. Illinois State Geological Survey. This datafile shows the general elevation of the base of the Barlow Limestone in Illinois.  These 20- and/or 100-foot isolines were contoured using... Illinois State Geological Survey.

3. Elevation of the Karnak Limestone [Illinois]

Datasets datasets University Of Illinois Urbana Champaign university-of-illinois-urbana-champaign
2008. Illinois State Geological Survey. This datafile shows the general elevation of the top of the Karnak Limestone in Illinois. These 20- and/or 100-foot isolines were contoured using G... Illinois State Geological Survey.