Aerial Photographs - DOQQs

• http://www.isgs.uiuc.edu/nsdihome/  This is the Illinois Natural Resources Geospatial Clearing House.

• Upper Midwest Environmental Sciences Center - LOTS of data for the Miss. River in IL, IA, MI, MO, & WI.  For the FTP site go to:  ftp://ftp.umesc.er.usgs.gov/pub/

• Historical Aerial Photos - Has historical aerial photos for part of the state.

• Also check these 3 sites that have data for the entire USA USDA GIS, DataDepot, and USFWS GIS.

Topographic Maps - DRGs  (to find the topo name go to USGS Store Search Page)

• http://www.isgs.uiuc.edu/nsdihome/  This is the Illinois Natural Resources Geospatial Clearing House.  To get directly to the DRGs Click Here.

• Upper Midwest Environmental Sciences Center - LOTS of data for the Miss. River in IL, IA, MI, MO, & WI.  For the FTP site go to:  ftp://ftp.umesc.er.usgs.gov/pub/

• Also check these 3 sites that have data for the entire USA USDA GIS, DataDepot, and USFWS GIS.

Geologic Maps - GQs

Digital Elev. Model - DEMs

• Also check these 3 sites that have data for the entire USA USDA GIS, DataDepot, and USFWS GIS.

Digital Line Graphs - DLGs

• http://www.isgs.uiuc.edu/nsdihome/  This is the Illinois Natural Resources Geospatial Clearing House.

• Upper Midwest Environmental Sciences Center - LOTS of data for the Miss. River in IL, IA, MI, MO, & WI.  For the FTP site go to:  ftp://ftp.umesc.er.usgs.gov/pub/

Misc Illinois GIS Links

•  Upper Midwest Environmental Sciences Center - LOTS of fata for the Miss. River in IL, IA, MI, MO, & WI.  For the FTP site go to:  ftp://ftp.umesc.er.usgs.gov/pub/

Misc and General GIS Links - Make sure you check this page.  I have links to places for all of the USA for GIS data.

Keywords: DRGs, topographic maps, DOQQs, aerial photographs, and other GIS links for Illinois