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1.

Illinois Geospatial Data Clearinghouse illinois

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

2.
Mixed

Bedrock Geology: Illinois, 2005 illinois

2005. Illinois State Geological Survey. This feature dataset shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the map Bedrock G...

3.
Mixed

Bedrock Geology of Illinois - Geologic Units, 2004 illinois

1996. Illinois State Geological Survey. This feature class shows the distribution and extent of the bedrock geologic units within the State of Illinois, as depicted on the Geologic Map of...

4.

County Boundaries: Illinois, 2003 illinois

1968-1979. Illinois State Geological Survey. This data set contains Illinois county boundaries in line and polygon formats. The polygon attribute data include county name and number (FIPS) des...

5.

Driftless Areas: Illinois, 2004 illinois

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...

6.

Glacial Boundaries: Illinois, 1998 illinois

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...

9.
Raster

Historical Aerial Photography: Illinois, 1937-1947 illinois

1936-1941. Illinois State Geological Survey. The primary data set consists of historical black and white aerial photographs from Illinois acquired during 1936 to 1941. Alternative years of pho...

10.

Major Bedrock Valleys: Illinois, 2004 illinois

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...

13.
Polygon

Municipal Boundaries: Incorporated Places: Illinois, 2000 illinois

2006. US Census and Illinois State Geological Survey. This polygon feature class shows incorporated places and census designated places in Illinois as of the 2000 US census. The data are identical to t...

14.

NAIP Digital Orthophoto Quadrangle Data: Illinois, 2014 illinois

2005. USDA-FSA-APFO Aerial Photography Field Office and Illinois State Geological Survey. This data set contains imagery from the National Agricultural Imagery Program (NAIP). NAIP acquires digital ortho imagery during the agricultural g...

15.
Mixed

National Wetlands Inventory: Illinois, 1987 illinois

1980-1987. U.S. Fish and Wildlife Service, Illinois Department of Natural Resources, Illinois Natural History Survey, and Illinois State Geological Survey. This feature dataset contains wetlands and deepwater habitats in Illinois is of 1987 based on U.S. Fish and Wildlife Service National Wetlands Inve...

17.

Physiographic Divisions: Illinois, 2004 illinois

1993. Illinois State Geological Survey. This is an ESRI feature class showing boundaries for physiographic divisions in Illinois. Data are originally from ISGS Report of Investigations 12...

18.

PLSS Indian Treaty Boundary Lines: Illinois, 2003 illinois

1968-1979. Illinois State Geological Survey. This data set contains Indian Treaty boundary lines from the Illinois Public Land Survey System. The nominal scale is 1:62,500. As of 2003, the dat...

19.

PLSS Townships: Illinois, 2003 illinois

1968-1979. Illinois State Geological Survey. This dataset contains townships from the Illinois Public Land Survey System in line and polygon form. Line attributes identify state, township and ...

21.
Polygon

Political Townships: Illinois, 2009 illinois

1985. Tom Heavisides, Office of Realty and Environmental Planning, Illinois Department of Natural Resources, and Illinois State Geological Survey. This map shows political township boundaries of Illinois.

24.

Quaternary Deposits: Illinois, 1979 illinois

1979. Illinois State Geological Survey. Digital representation of the Quaternary Deposits in Illinois map by Lineback (1979). Map scale is 1:500,000. Shows Quaternary deposits that lie at...

26.
Polygon

Soil Associations Map (500K): Illinois, 2004 illinois

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 ...

28.
Mixed

State Boundary: Illinois, 2003 illinois

1968-1979. Illinois State Geological Survey. This data set contains the Illinois state boundary in line and polygon format. There are two versions of the data included: one that includes the o...

29.
Polygon

State Plane Zones: Illinois, 2007 illinois

2007-2007. Illinois State Geological Survey. This polygon feature class shows State Plane Coordinate System zones in Illinois.

30.

Statewide 30-Meter Digital Elevation Model: Illinois, 2003 illinois

2003. Lisa Smith, Chris Goldsmith, Donald Luman, and Illinois State Geological Survey. This data set is a digital elevation model (DEM) of Illinois in ArcInfo grid format. The data are stored in UTM coordinates, using a Transverse Mer...

31.
Polygon

Streams and Shorelines: Illinois, 2004 illinois

1994. Illinois Department of Natural Resources and Illinois State Geological Survey. This dataset contains data representing streams and shorelines in Illinois and portions of surrounding states as derived from US Geological Survey ...

32.
Mixed

Structural Features - Faults: Illinois, 1995 illinois

1995. Illinois State Geological Survey. This is a partial representation of Plate 1 from ISGS Bulletin 100 (1993). Features depicted are limited to well documented, significant faults, fa...

33.
Mixed

Structural Features: Illinois, 1995 illinois

1995. Illinois State Geological Survey. This feature dataset is a representation of Plate 1 from ISGS Bulletin 100 (1993) by W. John Nelson. Features depicted are limited to well document...

37.
Polygon

UTM Zones: Illinois, 2007 illinois

2007. Illinois State Geological Survey. This polygon feature class shows UTM zones in Illinois.

38.

Woodfordian Moraines of Illinois, 2004 illinois

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...