Iowa State University

Iowa State University

Geographic Information Systems

Support and Research Facility

Geospatial Data

The ftp site is unavailable until further notice. Please visit the NRGIS library data needs.


Restricted Data Access - ESRI Tutorials and Streetmap

The GIS Facility provides data produced by ESRI that is included with our site license. Only those people with an ISU username will be able to access the data. To connect to the data you have to map a drive to the location. Create a connection in My Computer (not a browser) to:


and be sure to specify your ISU username if you have not logged in to your machine with that name.

If you are doing this from off campus, you will first need to connect to the ISU network with the VPN secure connection; if you do not do that first, the network mapping will not work. To find out about the VPN -


Iowa Geographic Image Map Server

The Iowa Geographic Image Map Server (aka The Ortho Server) provides a wide variety of image products via download or through web map services (WMS). Data coverage includes the entire state of Iowa. Products include

2004 - 2011, 2013 natural color and infrared photos
1930s - 1980s decadal gray scale photos
hillshade from lidar data, 2007-2010
early 1990s gray scale photos
1:24000 and 1:100000 topographic maps (USGS DRGs)
1992 and 2002 land cover/ land use maps