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Climate
Coastal
Elevation
Geology
Hydrology
Imagery
Infrastructure
Landcover
Reference
Climate
Illinois Climate Network: Soil Data
Illinois Climate Network: Weather Data
Coastal
Airborne transient electromagnetic survey data, southwest Lake Michigan coast, April 2017
Coastal Habitat Maps along Illinois Beach State Park, derived from aerial and drone imagery, 1939-2020
Digitized Shorelines at Chicago Beaches, Chicago Park District
Digitized Shorelines at Illinois Beach State Park
Digitized Shorelines at Waukegan, Illinois
Orthomosaic, Digital Elevation Model (DEM), and Point Cloud at Illinois Beach State Park
Orthomosaic, Digital Elevation Model (DEM), and Point Cloud at Waukegan, Illinois
Orthomosaic, Digital Elevation Model (DEM), and Point Cloud, Chicago Park District
Singlebeam Bathymetry at Illinois Beach State Park
Singlebeam Bathymetry, Chicago Park District
Elevation
Illinois Height Modernization (ILHMP): LiDAR Data
Surface Elevation: 30-Meter Digital Elevation Model (DEM)
Surface Elevation: 30-Meter Shaded Relief Map
Surface Elevation: 301-Foot Digital Elevation Model (DEM)
Surface Elevation: 301-Foot Shaded Relief Map
Geology
Bedrock Geology, 1967
Bedrock Geology, 2005
Bedrock Topography
Bedrock Valleys
Driftless Areas
Elevation of the Base of the Barlow Limestone
Elevation of the Karnak Limestone
Elevation of the New Albany Shale
Geologic and Geophysical maps of the Ozark, Illinois, Indiana, and Kentucky (OIINK) Region
Glacial Boundaries
Glacial Drift Thickness and Character
Illinois Borehole Temperatures
Illinois Drill Stem Tests
Illinois Waterflood Units 1946-2002
Illinois Well Headers
Illinois Well Logs
Illinois Well Tests
ISGS Field Notes
Location Points from the ISGS Wells and Borings Database
Moraines (End Moraines) of the Wisconsin Episode
Oil, Gas, and Gas Storage Fields in Illinois, 2002
Oil, Gas, and Gas Storage Fields in Illinois, 2024
Physiographic Divisions
Quaternary Deposits, 1979
Quaternary Deposits, 1996
Soil Associations Map (500K)
Stack-Unit Mapping of Geologic Materials to a Depth of 15 meters
Structural Features: Anticlines, Synclines, and Monoclines
Structural Features: Faults, Grabens, and Flexures
Structural Features: Polygon and Point Features
Hydrology
Agricultural Conservation Planning Framework
Coarse-grained Materials Within 50 Feet of the Ground Surface in Illinois
Flood Zones for Unincorporated Areas, One-Hundred and Five-Hundred Year
Illinois Center Pivot Irrigation
Illinois Municipal Water Use, 2012
Illinois Sinkhole Areas
Illinois Sinkhole Points
Major Aquifers
Major Bedrock Aquifers at Depths Greater Than 500 Feet Below Ground Surface
Major Bedrock Aquifers Within 300 Feet of Ground Surface
Major Bedrock Aquifers Within 500 Feet of Ground Surface
Major Sand and Gravel Aquifers
Northeast Illinois Shallow Bedrock Potentiometric Surface
Potential of Agricultural Chemical Contamination of Aquifers
Reservoir Observation Network
Sediment Monitoring Network
Shallow Groundwater Wells Network
Streams and Shorelines
Wetlands, National Wetlands Inventory, 1987
Imagery
1927 Historical Aerial Photographs, Mississippi River
1937-1947 Illinois Historical Aerial Photography
1998 - 2001 Illinois Digital Orthophoto Quadrangle (DOQ) Data
2000 Des Plaines River Watershed Orthophotography
2004 Illinois NAIP Digital Orthophoto Quadrangle Data
2005 Illinois Chicago Urban Area Orthophotography
2005 Illinois Digital Orthophoto Quarter Quadrangle Data
2005 Illinois NAIP Digital Orthophoto Quadrangle Data
2006 Illinois NAIP Digital Orthophoto Quadrangle Data
2007 Illinois NAIP Digital Orthophoto Quadrangle Data
2010 Illinois NAIP Digital Orthophoto Quadrangle Data
2011 Illinois Department of Transportation (IDOT) Orthophotography
2011 Illinois NAIP Digital Orthophoto Quadrangle Data
2012 Illinois NAIP Digital Orthophoto Quadrangle Data
2014 Illinois NAIP Digital Orthophoto Quadrangle Data
2015 Illinois NAIP Digital Orthophoto Quadrangle Data
2017 Illinois NAIP Digital Orthophoto Quadrangle Data
2019 Illinois NAIP Digital Orthophoto Quadrangle Data
ISGS Historic Photographs
Infrastructure
Archaeological Resource Potential
Municipal Boundaries: Incorporated Places 2000
Political Districts and Boundaries, 2006 and 2007
Political Townships
U.S. Geographic Names Information System (GNIS) for Illinois
Landcover
Forest Cover of Illinois in 1820
Illinois Gap Analysis Program: Land Cover Classification, 1999-2000
Illinois Landcover in the Early 1800s
Land Cover of Illinois 1999-2000 Data
USDA-NASS Cropland Data Layer Illinois 1999-2006
USDA-NASS Cropland Data Layer Illinois 2007
Reference
BLM Illinois Public Land Survey System
Illinois Coordinate System of 1983: 33 Zone
Illinois County Boundaries, Polygons and Lines
Illinois PLSS Townships
Illinois Public Land Survey System (PLSS) Boundaries
Illinois State Boundary
Indian Treaty Boundary Lines
State Plane Zones
Universal Transverse Mercator (UTM) Zones
USGS Digital Raster Graphic (DRG) Files
USGS Digital Raster Graphic (DRG) Mosaic
USGS Quadrangle Boundaries and Corner Points in Illinois
