Geologic Database of Texas

If you have ever needed any sort of geographic information for Texas, then the Geologic Database of Texas is a resource you should definitely check out. Spanning the years 1976 to 2007, these vectorized versions of the University of Texas Bureau of Economic Geology's sheets contain general large scale geologic information and mapping. The entirety of the map collection is available for download for free, as well as downloads of specific data files including state, county, and city data sets. Statewide data includes bathymetry, boundary, cultural, elevation, geology, hydro, indices, national land cover, natural regions, and transportation information. Countywide data includes boundary, compressed county mosaic, and transportation information. Citywide data includes digital raster graphics, elevation, geology, national wetlands inventory, and satellite imagery. There is also an online mapping service and a brief preview of the resource available on the database site.

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