This site provides free access to Iowa geographic map data through online map viewers and web map services. The site was developed by the Iowa State University Geographic Information Systems Support and Research Facility in cooperation with the Iowa Department of Natural Resources, the USDA Natural Resources Conservation Service, and the Massachusetts Institute of Technology.
Available maps include:
Statewide historical aerial imagery – 1930s, 1950s, 1960s, 1970s, and 1980s
NAIP summer imagery – 1990s, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2013, 2014, 2015, 2017, 2019
Spring color-infrared imagery – 2002, 2007-2010, 2016-2018
Elevation maps
Historical maps
Land use/land cover maps