Illinois Natural Resources Geospatial Data Clearinghouse Geospatial Data Clearinghouse Home


Project Milestones

The Illinois Clearinghouse was first brought on-line in July of 1997. Since that time, significant data additions have included USGS Digital Raster Graphics (DRGs), 1998-1999 USGS Digital Orthophoto quarter Quadrangles (DOQs), 2000 Orthoimagery for the Des Plaines River Watershed, Illinois Geological Quadrangle (IGQ) digital data products, Illinois Historical Aerial Photographs from 1936 to 1941, 2004 National Agriculture Imagery Program DOQs, 2005 USGS DOQs and 2005 Chicago Urban Area orthoimagery, and Light Detection and Ranging (LiDAR) elevation data.

2012
ILHMP project acquires LidAR data for Monroe, Randolph, and St. Clair Counties

2011
ILHMP project LiDAR data available for 18 total counties plus portions of 2 additional counties.
Illinois Historical Aerial Photographs available for 102 counties October, 2011.

2010
ILHMP project LiDAR data available for 11 total Counties.
ILHMP project acquires LidAR data for Kendall County
Illinois Historical Aerial Photographs available for 90 counties August, 2010.

2009
ILHMP project LiDAR data available for Carroll, JoDaviess and Winnebago Counties December, 2009.
ILHMP project LiDAR data available for Boone and Winnebago Counties October, 2009.
Illinois Historical Aerial Photographs available for 77 counties August, 2009.
Illinois Height Modernization Program (ILHMP) information released April, 2009

2008
Illinois Land Cover Data accessible December, 2008
ISGS Wells and Borings Points available for download March, 08

2007
10 Year Anniversary of Illinois Clearinghouse, July, 2007
        - Access to 27,800 data files and 18,300 aerial photos.
        - 35 Terabytes of data provided to customers on demand.
        - 1.3 million dollars in support from 40 grants and contracts.
Illinois Base Data ArcIMS Map Service released July, 2007.
Illinois Historical Aerial Photographs available for 57 counties April, 2007.

2006
17.8 terabytes of data accessed by customers in 2006.
2004 National Agriculture Imagery Program data for 102 counties December, 2006.
2005 Digital Orthophoto Quadrangle (DOQ05) data available for 96 counties October, 2006.
2005 Chicago Urban Area (CUA05) data available for 6 counties April, 2006.
Illinois Historical Aerial Photographs available for 51 counties April, 2006.

2004
Illinois Historical Aerial Photographs available for 45 counties September, 2004.

2003
Illinois Historical Aerial Photographs (ILHAP) for 25 counties available September, 2003.

2002
Illinois Geological Quadrangle (IGQ) digital data products available in October, 2002.
USGS DOQQ statewide coverage (4,173 files) available February, 2002.

2001
1998 DOQ Image Service is Geography Network Challenge 3rd Place Winner, July 2001.
Year 2000 Des Plaines River Watershed Orthoimagery released June, 2001.
1998 DOQ Image Service interactive map released June, 2001.

2000
1998 USGS DOQQs first available for download June, 2000
FAQ-style metadata files added to all Clearinghouse browse areas March, 2000.

1999
Phase 2 Final Report (USGS DRGs) submitted December, 1999.
USGS DRGS available for download April, 1999.

1998
Phase 1 Final Report (Clearinghouse prototype) submitted May, 1998
FGDCMETA.AML Version 1.2 for Arc/Info released May 15, 1998.

1997
Registered Illinois Node with the FGDC July, 1997.
Installed NSDI Isite client/server software for metadata search and retrieval.
Created browse GIF images and export files for available data sets.
Produced Illinois Natural Resources NSDI Clearinghouse web site prototype.
Produced CSDGM compliant metadata for 120+ GIS data sets.