Geographic data provided by the Columbia Regional Geospatial Service Center are the result of a collaborative effort by local, regional, state and national government agencies as well as educational and research institutions. These data are availble for free download from this site.
Columbia Center Data Services provide access to GIS data over the Internet. These services are designed to be ingested by desktop GIS Applications such as ESRI ArcGIS. The following data services are available:
Stratmap2 trans
Stratmap2 political boundaries
Stratmap2 hydro
stratmap2 hypso
NAIP 2004 digital orthoimagary
Texas Shaded Relief
Texas Analytical Hillshade
To access these services, you must have a GIS application that is capable of accepting map services as input. This includes most commercial GIS software a a few free viewers such as ArcExplorer. Many of these services are provided in WMS and KML format as well as ESRI ArcGIS Server. Please refer to your software documentation for details.
To access these services, select "GIS Servers" as the the source in your desktop software and enter "http://arcgis01.crgsc.org" as the URL. Once the connection is established, you will see all the services that are currently avialable.
Be sure to look at Web Applications under the Applications tab. Many Web Apps can be used as data layers in desktop GIS software as well.