There are a number of types of data resources available for geospatial technologies. There is free downloadable GIS files, connections to data servers; connections to image servers. Data can also be purchased from industry leaders and other vendors. The sources of data can range from local; state; regional; national and international data.

Missouri Spatial Data Infrastructure
(http://msdis.missouri.edu/)

MO Theme Data List on MSDIS
(http://msdis.missouri.edu/datasearch/ThemeList.jsp)

Missouri Geographic Information Office
(http://www.gis.mo.gov/)

Missouri Office of Social and Economic Analysis (OSEDA)
(http://www.oseda.missouri.edu/)

Missouri Department of Conservation Mapping Services
(http://mdcgis.mdc.mo.gov)

Missouri Resource Assessment Partnership (data on MSDIS)(http://www.cerc.usgs.gov/morap/Default.aspx)

Missouri Data on GIS Data Depot
(http://data.geocomm.com/catalog/US/61080/datalist.html)

USGS Missouri Data
(http://www.umesc.usgs.gov/states/m/mo_gis_data.html)

SouthEast Missouri GIS
(http://www.semogis.com/)

Center for Applied Research and Environmental Systems (CARES)
(http://ims.missouri.edu/moims2008/)