US
- NationalAtlas.gov
- Geography Network
- Gis.com
- Geospatial Data Gateway - USDA
- Rural Indicators Map Machine - USDA
- Google Earth
- US Solar Atlas - National Renewable Energy Laboratory
Texas
- Business and Industry Data Center - Office of the Governor
- Perry-Castañeda Library - University of Texas Libraries
- Texas Natural Resources Information System
- Renewable Energy Maps - wind and solar maps
- Geologic Maps of Texas - Walter Geography Library, University of Texas Libraries
West Central Texas
