Geospatial Data Links

Wisconsin Land Information Clearinghouse (WISCLINC)
A NSDI gateway to Wisconsin geospatial data and metadata and to the state agencies that produce or maintain such data.

 Wisconsin DNR Geographic Services Section
Information on data-sharing and interactive maps available from the Wisconsin DNR.

EPA Geospatial Data Clearinghouse
A node of the National Spatial Data Infrastructure (NSDI) where you can find information about geospatial data available from the U.S. Environmental Protection Agency.

USGS Geospatial Data & Information Products
Information from the U.S. Geological Survey on the current availability of selected USGS Digital Cartographic Data and Aerial Photography products.

National Park Service Digital Geospatial Data and Metadata
Geospatial data from National Parks, including National Scenic and Historic Trails.

State of the Land -- The NRCS Resource Analysis Site
The National Resources Conservation Service's site providing data and analysis on land use and change, soil erosion and soil quality, water quality, wetland, and other conservation issues.

GIS Data Depot -- Free GIS Data of the U.S.
Various statewide and county-wide GIS layers available for free download or on CD at minimal cost; also includes some nationwide layers for the U.S. and other countries.

Forest Land Distribution Data for the United States
Forest type group data and density data ready for download from U.S. Forest Service.

 ArcData Online Data Browser
A variety of free and commercial geographic data sets which can be downloaded or mapped online.

 American FactFinder
U.S. Census Bureau's site for easy access to demographic data, including thematic and general reference maps.

 National Wetlands Inventory
Wetland GIS data available for on-line mapping and for download from the U.S. Fish and Wildlife Service.

 National Map
Created by the USGS, this interactive map service provides geospatial data and information for viewing and downloading.

 GIS Data and Resources over the Internet
An extensive list of GIS data resources on the Web, organized by theme.

 Geospatial and Statistical Data Center
Univerisity of Virginia Library's links to socio-economic, demographic, and education data as well as reference resources.

  Mostly On-line and Mostly Free U.S. Geospatial and Attribute Data
Stephan Pollard's list of links sorted by state, government agency, and topic.