Counties

County WebsiteURL
Ashlandhttp://www.ashlandcogiws.com/AshlandCoWi/
Barronhttp://barronwi.mapping-online.com/BarronCoWi/
Bayfieldhttp://www.bayfieldcounty.org/LandRecords/mapviewer_start.htm
Brownhttp://www.co.brown.wi.us/Treasurer/LandRecordsSearch/EntryForm.asp
Chippewahttp://chippewawi.mapping-online.com/ChippewaCoWi/
Clarkhttp://www.co.clark.wi.us/ClarkCounty/departments/planningzoning/gis.asp
Columbiahttp://lrs.co.columbia.wi.us/website/ColumbiaCo/ColumbiaCo.asp
Danehttp://dcimap.co.dane.wi.us/dcimap/index.htm
Doorhttp://map.co.door.wi.us/
Fond du Lachttp://gis.fdlco.wi.gov/Website/FondduLacIMS/viewer.htm
Foresthttp://forestwi.mapping-online.com/ForestCoWi/
Granthttp://rmgis2.ruekert-mielke.com/tricounty/AssessSearch.asp#
Greenhttp://gis.msa-ps.com/greencounty/publicviewer/startup.htm
Iowahttp://rmgis2.ruekert-mielke.com/tricounty/AssessSearch.asp#
Jeffersonhttp://lrs.co.jefferson.wi.us/
Juneauhttp://gis.co.juneau.wi.us/pvweb22/index.htm
Kenoshahttp://www.co.kenosha.wi.us/plandev/mapping/interactive_map.html
Kewauneehttp://rmgis.ruekert-mielke.com/KewauneeCo/
LaCrossehttp://www.co.la-crosse.wi.us/LandRecordsPortal/Default.aspx
Langladehttp://www.langladecogiws.com/
Manitowochttp://webmap.manitowoc-county.com/website/pasystem/
Marathonhttp://gismaps.co.marathon.wi.us/gisweb/ccdcc_pub/ccdcc.asp
Monroehttp://www.monroecogiws.com/MonroeCoWi/
Ocontohttp://solo.co.oconto.wi.us/ocontoco/Disclaimer.asp
Outagamiehttp://www.co.outagamie.wi.us/planning/Maps_main.htm
Ozaukeehttp://www.gis.co.ozaukee.wi.us/ozaukeeco/
Portagehttp://gisinfo.co.portage.wi.us/website/portagepa/viewer.htm
Racinehttp://www.sewrpc.org/regionallandinfo/racinemapping/
Rockhttp://68.249.68.135/Rock/
Saukhttp://www.co.sauk.wi.us/dept/mapping/welcome.htm
Southeasternhttp://www.sewrpc.org/regionallandinfo/regionalmapping/default.shtm
Sheboyganhttp://www.co.sheboygan.wi.us/landinformation/default.aspx
Douglashttp://douglasco.mapping-online.com/
Taylorhttp://taylorwi.mapping-online.com/TaylorCoWi/
Walworthhttp://webapps.co.walworth.wi.us/wwwwebsite/countysite/viewer.htm
Washingtonhttp://maps.co.washington.wi.us/
Waukeshahttp://maps.waukeshacounty.gov/GISweb/waukco/waukco.asp
Waupacahttp://public1.co.waupaca.wi.us/
Winnebagohttp://wcws2.co.winnebago.wi.us/winnco/winscript/wc_main.html
Woodhttp://landrecords.co.wood.wi.us/website/Public/disclaimer.asp

Cities

City WebsiteURL
Antigohttp://rmgis2.ruekert-mielke.com/Antigo/Antigo.asp
Franklinhttp://arcims.ci.franklin.wi.us/website/cityoffranklin%5Fgis/
Greenfieldhttp://rmgis2.ruekert-mielke.com/greenfield/
LaCrosse Areahttp://209.206.210.193/pvweb2_1/index_login.htm
Madisonhttp://gis.ci.madison.wi.us/MADMAPS/
Marshfieldhttp://www.ci.marshfield.wi.us/planning/maps/
Milwaukeehttp://www.city.milwaukee.gov/display/router.asp?docid=3480
Muskegohttp://www.gomuskego.com/planning/?param=MapMuskegoInternet.htm
Reedsburghttp://rmgis2.ruekert-mielke.com/Reedsburg/
South Milwaukeehttp://www.ci.south-milwaukee.wi.us/website/intro.htm
Waukeshahttp://map.ci.waukesha.wi.us/cowgis/launchprop.htm
West Allishttp://geoweb.ci.west-allis.wi.us/index.htm
West Bendhttp://www.ci.west-bend.wi.us/Paragon/index.htm
Reedsburghttp://rmgis2.ruekert-mielke.com/reedsburg/

The Wisconsin Geological and Natural History Survey currently has 17 digital datasets available for download from their website, and several more will be added over the summer. These datasets typically include GIS data, and reports and maps in PDF format. The direct link to their downloadable data page is: http://www.uwex.edu/wgnhs/gis.htm.

Other valuable data resources


NameURL
NRCS Soil Data Marthttp://soildatamart.nrcs.usda.gov/
USGS National Map Seamless Serverhttp://seamless.usgs.gov/
WDNR Geodata FTPftp://gomapout.dnr.state.wi.us/geodata/
WisconsinViewhttp://www.wisconsinview.org/