1. Height Modernization (ILHMP) LiDAR Data: Illinois
2014. 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...
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2. Mosaic of Illinois 7.5-minute Digital Raster Graphic (DRG) Images, 2003
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...
3. NAIP Digital Orthophoto Quadrangle Data: Illinois, 2014
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...