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Environment

Connecticut Community Resource Inventory Online

The Connecticut Community Resource Inventory Online (CRI) allows Connecticut residents to download a variety of maps for every township in the state, including maps displaying topographical, soil and water, transportation, political, and agricultural information.

FEMA GIS system

Free download for a patch. Floods, hurricane winds, and earthquakes.

Pennsylvania Department of Agriculture on GIS

Interested in GIS and agriculture? Have the urge to shower yourself in government-made powerpoint presentation? Here is a start.

Illinois Natural Resources Geospatial Data Clearinghouse

From my hometown Urbana, vector and raster data for all the world!

"Access Illinois GIS data sets and documentation (metadata) for ArcIMS Interactive Map Services, USGS digital topographic maps, aerial photography, orthoimagery, orthophotography, geology, land use, natural resources, and infrastructure. Illinois data sets and map data layers are available for download free of charge."

GIS Climate Change Scenarios

Data provided by the National Center of Atmospheric Research's GIS Initiative. Geodata for the US and global vector data.