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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.

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.

4.

Borehole Temperatures [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This layer contains data describing borehole temperatures in the state of Illinois, obtained by the AASG for the Geothermal Data Project. The data ... Illinois State Geological Survey.

5.

Center Pivot Irrigation [Illinois] Datasets datasets university-of-illinois-urbana-champaign

2012. Illinois State Geological Survey. This coverage provides the locations and approximate farmed area under center pivot irrigation systems in use in Illinois during the 2012 and 2014 ... Illinois State Geological Survey.

7.

Coastal Habitat Maps [Illinois Beach State Park] (1939-2020) Datasets datasets university-of-illinois-urbana-champaign

1939. Illinois State Geological Survey. Derived from aerial and drone imagery. These habitat maps were created to identify and monitor coastal change along Illinois' Lake Michigan shoreli... Illinois State Geological Survey.

8.

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

1968. Illinois State Geological Survey. Contains Illinois county boundaries in line and polygon formats. The polygon attribute data include county name and number (FIPS) designations. The... Illinois State Geological Survey.

9.

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.

10.

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.

11.

Elevation of the Base of the Barlow Limestone [Illinois] Datasets datasets 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.

12.

Elevation of the Karnak Limestone [Illinois] Datasets datasets 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.

13.

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.

14.

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.

15.

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.

16.

Height Modernization (ILHMP) LiDAR Data [Bond County, Illinois] (2015) university-of-illinois-urbana-champaign

2015. Illinois State Geological Survey. This Digital Terrain Model (DTM) data was produced all or in part from LiDAR information as of 2015. The LiDAR derived DTM covers Bond County, Illi... University of Illinois Urbana-Champaign and Illinois State Geological Survey.

17.

Historical Aerial Photography [Illinois] (1937-1947) Imagery imagery university-of-illinois-urbana-champaign

1936. Illinois State Geological Survey. Statewide aerial photographs were first acquired for Illinois from 1937 through 1947. This collection history gives details about the approximately... Illinois State Geological Survey.

18.

Illinois Geospatial Data Clearinghouse university-of-illinois-urbana-champaign

Illinois State Geological Survey. The Illinois Natural Resources Geospatial Data Clearinghouse (Illinois Clearinghouse) is an established node of the National Spatial Data Infrastru... Illinois State Geological Survey.

19.

ISGS Historic Photographs [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1910. Illinois State Geological Survey. The Historic Photos Collection, dating from the 1910s to 1940s, is our oldest set of geological photographs. It contains original large-format indi... Illinois State Geological Survey.

20.

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.

21.

Location Points from the ISGS Wells and Borings Database [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This dataset contains point locations from the ISGS Wells and Borings database. The attribute information includes API_NUMBER, STATUS (well or bori... Illinois State Geological Survey.

22.
Datasets datasets

Major Aquifers [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This feature dataset contains feature classes that show the general areal extent of major bedrock aquifers to various depths, major sand and gravel... Illinois State Geological Survey.

24.
Datasets datasets

Major Bedrock Aquifers Within 300 Feet of Ground Surface [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This map shows the distribution of major bedrock aquifer units within 300 feet of ground surface in Illinois.  Major aquifers are capable of yieldi... Illinois State Geological Survey.

25.
Datasets datasets

Major Bedrock Aquifers Within 500 Feet of Ground Surface [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This map shows the distribution of major bedrock aquifer units within 500 feet of ground surface in Illinois.  Major aquifers are capable of yieldi... Illinois State Geological Survey.

26.

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.

27.
Datasets datasets

Major Sand and Gravel Aquifers [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This map shows the distribution of major sand and gravel aquifers at any depth in Illinois.  Generally, the tops of such aquifers lie within 300 fe... Illinois State Geological Survey.

28.

Mosaic 7.5-minute Digital Raster Graphic (DRG) Images [Illinois] university-of-illinois-urbana-champaign

2003. Illinois State Geological Survey. This is a statewide ArcSDE Raster Mosaic of USGS DRG images of 7.5-minute topographic quadrangles occurring in Illinois. These are unmodified DRG i... Illinois State Geological Survey.

30.

Municipal Boundaries [Incorporated Places [Illinois] Datasets datasets university-of-illinois-urbana-champaign

2006. US Census and Illinois State Geological Survey. Municipalities in Illinois with more than 250 people. Incorporated areas for all of Illinois. Attributes include the name, FIPS place ID, name and ... Illinois State Geological Survey.

31.
Datasets datasets

Municipal Water Use [Illinois] Datasets datasets university-of-illinois-urbana-champaign

2012. Illinois State Geological Survey. The zipped folder contains datasets that depict municipal water use and water purchases throughout Illinois for the year 2012. The zipped folder co... Illinois State Geological Survey.

32.

NAIP Digital Orthophoto Quadrangle Data [Illinois] (2004) university-of-illinois-urbana-champaign

2005. USDA-FSA-APFO Aerial Photography Field Office and Illinois State Geological Survey. Illinois National Agriculture Imagery Program (NAIP) Digital Orthophotography quarter Quadrangle (DOQ) data have been created for 102 counties in t... Illinois State Geological Survey.

33.

National Wetlands Inventory [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1980. U.S. Fish and Wildlife Service, Illinois Department of Natural Resources, Illinois Natural History Survey, and Illinois State Geological Survey. Wetlands and deepwater habitats in Illinois is of 1987 based on U.S. Fish and Wildlife Service National Wetlands Inventory (NWI) data. IDNR. Illinois State Geological Survey.

34.
Datasets datasets

Oil, Gas, and Gas Storage Fields [Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. Polygon outlines of Oil, Gas, and Gas Storage Fields in Illinois, with attributes for field code, field name, and field type. This is intended as a... Illinois State Geological Survey.

35.

One-Hundred and Five-Hundred Year Floodzones for Unincorporated Areas [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1996. Illinois State Water Survey and Illinois State Geological Survey. Statewide polygon feature class of 100 and 500 year flood zones for unincorporated areas of Illinois as indicated on Federal Emergency Management A... Illinois State Geological Survey.

36.

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.

37.

PLSS Indian Treaty Boundary Lines [Illinois] university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Indian Treaty boundary lines from the Illinois Public Land Survey System. ISGS, 1984 (revised 2003). Illinois State Geological Survey.

38.

PLSS Townships [Illinois] university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Township and range lines of Illinois. Attribute information includes, township, range, meridian and line type indicators. ISGS, 1984 (revised 1998). Illinois State Geological Survey.

39.

Political Districts and Boundaries [Illinois] (2006-2007) Datasets datasets university-of-illinois-urbana-champaign

2006. Illinois State Geological Survey. State House of Representative Districts in Illinois, State Senate Districts in Illinois, and Illinois Federal Congressional Districts, 2006 and 200... Illinois State Geological Survey.

40.

Political Townships [Illinois], 2009 Datasets datasets university-of-illinois-urbana-champaign

1985. Tom Heavisides, Office of Realty and Environmental Planning, Illinois Department of Natural Resources, and Illinois State Geological Survey. Political (voting) township boundaries of Illinois as of 1985. Attributes include the name, FIPS code, township name and number. OREP 1985. Illinois State Geological Survey.

41.

Potential of Agricultural Chemical Contamination of Aquifers [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1995. Donald A. Keefer, and Illinois State Geological Survey. A statewide dataset for evaluating the potential for contamination of shallow aquifers by pesticides and nitrate. The sources of this data set were... Illinois State Geological Survey.

42.

Public Land Survey System (PLSS) Boundaries [Illinois] university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Illinois Public Land Survey System (PLSS) boundaries and designations in line and polygon feature classes. The polygon attribute data include merid... Illinois State Geological Survey.

43.

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.

44.

Shallow Bedrock Potentiometric Surface [Northeast Illinois] Datasets datasets university-of-illinois-urbana-champaign

Illinois State Geological Survey. This potentiometric surface represents groundwater elevation (head) in feet above mean sea level (AMSL) for the shallow bedrock carbonate aquifer i... Illinois State Geological Survey.

45.

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.

47.

State Boundary [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1968. Illinois State Geological Survey. Contains the Illinois state boundary in line and polygon format. There are two versions of the data: one that includes the official state boundary ... Illinois State Geological Survey.

48.

State Plane Zones [Illinois] Datasets datasets university-of-illinois-urbana-champaign

2007. Illinois State Geological Survey. Shows State Plane Coordinate System zones in Illinois. ISGS, 2007. Illinois State Geological Survey.

49.

Statewide 30-Meter Digital Elevation Model [Illinois] university-of-illinois-urbana-champaign

2003. Lisa Smith, Chris Goldsmith, Donald Luman, and Illinois State Geological Survey. A digital elevation model (DEM) in ArcINfo grid format. Data were assembled to provide a statewide database of surface elevation points suitable fo... Illinois State Geological Survey.

50.

Streams and Shorelines [Illinois] Datasets datasets university-of-illinois-urbana-champaign

1994. Illinois Department of Natural Resources and Illinois State Geological Survey. Streams and shorelines for Illinois. Derived from USGS 1:100,000 Digital Line Graph files, transportation layer 1980-1986. Each arc carries attribu... Illinois State Geological Survey.