View City of Janesville mapping services general information, interactive GIS web mapping and map library.
View City of Janesville voter and election information page, including hours, phone number, and address.
View Rock County board of supervisors, including agendas and district maps.
Search Rock County Government GIS property maps database by parcel and tax identification numbers and address.
View Rock County Treasurer's Office tax lien auction information, including property lists and a foreclosure map.
View Rock County, Wisconsin's available records and maps by using the Surveyor Database Search function to look at survey maps.
The National Spatial Data Infrastructure (NSDI) is a national repository and data portal for spatial data and mapping information. The Wisconsin GIS Maps Database includes a variety of mapping data sets, including GIS mapping data. The NSDI includes more than 4 million maps covering the entire United States.
The NSDI provides access to GIS mapping data for the general public, Federal, State, and local government entities, researchers, and developers. Wisconsin GIS Maps Database includes mapping data from Federal agencies such as the USGS, the Census Bureau, the Environmental Protection Agency, and the Bureau of Land Management; State mapping agencies, such as the Michigan Department of Transportation; and local governments, such as the cities of Detroit and Chicago.
Wisconsin GIS Maps Database also includes data sets from private companies and nonprofit organizations. These data sets include mapping data for businesses and industries, transportation networks, land use, and water resources.