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1.

Bedrock Geology [Illinois] (2005) Datasets datasets 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.

Bedrock Geology - Geologic Units [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1967. Illinois State Geological Survey. Distribution and extent of the bedrock geologic units within Illinois. Data originally from the Geologic Map of Illinois (1967) by Willman and et. ... Illinois State Geological Survey.

3.

Major Bedrock Valleys [Illinois] university-of-illinois-urbana-champaign

1994. Illinois State Geological Survey. Continuous lines representing the lowermost elevations/ locations of (buried) bedrock valleys in the state of Illinois. Names of buried valleys are... Illinois State Geological Survey.

4.

Driftless Areas [Illinois] university-of-illinois-urbana-champaign

1994. Illinois State Geological Survey. Driftless areas in Illinois. These areas are analogous to areas of the state where the bedrock surface is not buried by glacial drift. Data origina... Illinois State Geological Survey.

5.

Physiographic Divisions [Illinois] university-of-illinois-urbana-champaign

1993. Illinois State Geological Survey. The Physiographic divisions of Illinois, including Provinces, Sections, and Divisions. Data are originally from ISGS Report of Investigations 129 b... Illinois State Geological Survey.

6.

Quaternary Deposits [Illinois] (1979) university-of-illinois-urbana-champaign

1979. Illinois State Geological Survey. Quaternary Deposits in Illinois that lie at or near the land surface, including loess deposits. Data originally from Quaternary Deposits of Illinoi... Illinois State Geological Survey.

7.

Buried Bedrock Surface [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1994. Herzog, B.L., B.J. Stiff, C.A. Chenoweth, K.L. Warner, J.B. Sievering, and C. Avery. Topography of the bedrock surface in Illinois. Bedrock topography is shown as 50-foot (15-meter) contours of bedrock elevation above mean sea level... Illinois State Geological Survey.

8.

Glacial Boundaries [Illinois] Datasets datasets university-of-illinois-urbana-champaign

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 State Geological Survey.

9.

Glacial Drift: Thickness and Character [Illinois] university-of-illinois-urbana-champaign

1994. Illinois State Geological Survey. Unconsolidated deposits, mainly glacial drift, overlie the bedrock surface in most of Illinois. Data are originally from ISGS Circular 490 by Piski... Illinois State Geological Survey.

10.

Land Survey Field Notes [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. The Illinois State Geological Survey's typed field notes in the map library have been scanned as part of the National Geological and Geophysical Da... Illinois State Geological Survey.

11.

Quaternary Deposits [Illinois] (1996) Datasets datasets university-of-illinois-urbana-champaign

1996. Barb Stiff. Updated version of Quaternary Deposits of Illinois. Information contained in this data set is more generalized than the 1979 version. While the 197... Illinois State Geological Survey.

12.

Structural Features - Faults [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1995. Illinois State Geological Survey. Structural features, significant faults, faulted flexures and grabens in Illinois. Names of the features and the associated directions of faulting ... Illinois State Geological Survey.

13.

Woodfordian Moraines [Illinois] university-of-illinois-urbana-champaign

1991. Illinois State Geological Survey. Named Woodfordian moraines, or Wisconsinan End Moraines, of Illinois. Data originally from ISGS Bulletin 94, Pleistocene Stratigraphy of Illinois, ... Illinois State Geological Survey.

14.

Soil Associations Map (500K) [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1984. Illinois State Geological Survey. Soil associations in Illinois. A soil association is a group of related soil series that generally occur in a characteristic pattern of landscapes ... Illinois State Geological Survey.

15.

Structural Features [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1995. Illinois State Geological Survey. Structural features depicted are limited to well documented, significant anticlines and domes (and the Glasford Disturbance), impact features, expl... Illinois State Geological Survey.

19.

Drill Stem Tests [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This layer contains data related to drill stem tests for wells in Illinois, obtained by the AASG for the Geothermal Data Project. The data table in... Illinois State Geological Survey.

20.

Elevation of the New Albany Shale [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This datafile shows the general elevation of the top of the New Albany Shale.  These 20- and/or 100-foot isolines were contoured using Esri ArcGIS ... Illinois State Geological Survey.