Links
GIS viewers
GeoMedia viewer (Can read shape files)
You will need to establish an account with Intergraph.
Data
http://ia.gisinventory.net/?set_group=cadastral
http://www.igsb.uiowa.edu/nrgislibx/
http://nmviewogc.cr.usgs.gov/viewer.htm
Maps
http://ortho.gis.iastate.edu
Iowa Geographic Information Council
http://www.iowagic.org/

