These are some of my favorite map and gazetteer links.  Email me your favorites and we'll post them here.
Shawano County Townships -- this was requested by one of the researchers and this was what I came up with.  If you have a better one, please email it in!
1898 Shawano County Plat Maps -- work in progress!
1911 Shawano County Plat Maps
Wisconsin Gazetteer 1853 -- EXCELLENT for finding towns and villages in 1853 Wisconsin.  Takes a while to load, but well worth the wait.
Cities & Counties in Wisconsin -- Lists the towns and counties in the state.
1895 Atlas Wisconsin -- Good map, the wait in download time is well worth it.  You can also download individual counties.
1901 Shawano County Map
County Boundaries Map -- Current map of the counties & boundaries
1944 Wisconsin State Map
County Atlases -- Reference--explanation of various atlases available at the State Historical Society of Wisconsin
Using Maps in Genealogy -- A good reference page
Rivers of Wisconsin
Wisconsin Territory Map 1832 - 1858
1915 Wittenberg Township Plat Book Map