Iowa Dept of Transportation maps
   city and county maps (DGN and DWG formats only)
   http://www.dot.state.ia.us/sitemap.htm#maps

Iowa Geological Survey
   Plans and implements programs that result in the acquisition of comprehensive information on the mineral and water resources of the State, with emphasis on water supply developments and monitoring the effects of environmental impacts on water quality. In
   http://www.igsb.uiowa.edu/

Iowa Maps
   The Perry-Castañeda Library Map Collection.
   http://www.lib.utexas.edu/maps/iowa.html

Mapathon Iowa
   Road maps, city street maps, directions maps.
   http://www.mapathon.com/ia.html

Road map of Iowa
   A compact map showing interstate and U.S. highways plus major cities and towns.
   http://www.sitesatlas.com/Maps/Maps/116.htm

WebcamBigLook - Iowa
   Directory of webcams around the state.
   http://www.webcambiglook.com/ia.html