Maps, Aerial Photographs, & Geospatial Data
Access Wisconsin GIS data online
Publicly available statewide data, as well as local data layers for nearly all 72 Wisconsin counties can be directly downloaded from GeoData@Wisconsin an online geoportal for quick access to Wisconsin GIS information.
Not finding what you need? View the geospatial archive inventory and use the request form to request additional data online.
The library is home to the largest collection of print historic aerial photographs of Wisconsin. With over 260,000 images in the collection, Wisconsin’s landscapes are visible dating back to 1937.
Visit Aerial Photography for information on how to access this collection, or request digital scans of historic photographs.
Download the Robinson Map Projection
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