\cat gis
- Soil from NRCS
- DEM, Landuse from USGS
- Streamline from USGS
- Drainage from USGS
- Transportation from BTS
- Environmental data from TCEQ
- Natural resources from TNRIS
- Water from TWDB
- RS data from NASA
- Non-geographic climatic data from NCDC
- Non-geographic water data from USGS
- World data from USGS
- Miscellaneous
Soil from NRCS
- STATSGO: State Soil Geographic Database, 1:250,000
- http://www.ftw.nrcs.usda.gov/stat_data.html
- SSURGO: Soil Survey Geographic Database, 1:12,000 - 1:63,360
- http://www.ftw.nrcs.usda.gov/ssur_data.html
DEM, Landuse from USGS
- NED: National Elevation Dataset, 30m, NLCD: National Land Cover Dataset, (1992, 2001)
- http://seamless.usgs.gov
Streamline from USGS
- NHD: National Hydrographic Dataset, 1:100,000
- http://nhd.usgs.gov
- Vector data containing surface water features like streams, lakes, ponds, springs, and etc.
Drainage from USGS
- HUC: Hydrologic Unit Codes, 1:250,000
- http://water.usgs.gov/lookup/getspatial?huc250k
Transportation from BTS
- http://www.bts.gov/gis/ntatlas/networks.html
- National parks
- State boundaries
- Airports
- Amtrak stations
- U.S. Army Corps of Engineers ports
- U.S. Army Corps of Engineers navigable waterway nodes
- U.S. Army Corps of Engineers navigable waterway network
- Hydrographic features metadata
- National highway planning network
- Railway network
Environmental data from TCEQ
- http://www.tceq.state.tx.us/index.html
- Digital Raster Graphs (DRGs)
- Monitoring sites
- Permit sites
- Waste sites
Natural resources from TNRIS
- http://www.tnris.state.tx.us/digital.htm
- DEMs
- DOQs
- DOQQs
- Roads
- Hydrography
- Vegetation
- County boundaries
Water from TWDB
- http://www.twdb.state.tx.us/mapping/gisdata.htm
- Natural features
- Aquifers
- River basins
- HUCs
- Major basins
- Texas precipitation
- Administrative
- Groundwater conservation districts
- Regional water planning areas
- River authorities
- Counties
RS data from NASA
- http://www.nasa.gov/home/index.html
- Remotely sensed meteorological data
Non-geographic climatic data from NCDC
- http://www.ncdc.noaa.gov/oa/ncdc.html
Non-geographic water data from USGS
- http://waterdata.usgs.gov/nwis
World data from USGS
- Hydrologic datasets for the whole world, 30arc-second (1km)
- http://edcdaac.usgs.gov/gtopo30/hydro
- Raster: DEM, Flow direction, Flow accumulation, Slope, Aspect, Compound topographic index
- Vector: Streams, Drainage basins
Miscellaneous
- National Atlas
- http://nationalatlas.gov
- Agriculture
- Environment
- People
- Biology
- Geology
- Transportation
- Boundaries
- History
- Water
- Climate
- Map Reference
- GLOBE
- http://www.ngdc.noaa.gov/mgg/topo/gltiles.html
- Hydrologic Data for Texas Lakes
- http://www.swf-wc.usace.army.mil/hydrologic2_data.htm
- Geocommunity, 10m DEM
- http://data.geocomm.com/catalog/US
- available only for some areas
- GLO
- http://www.glo.state.tx.us/gis
- County boundaries
- Hydrography
- Roads
- Places, names, and populations
- Shorelines
- Urban areas
- City boundaries
- Vegetation areas
- Energy resource data
- Oil and gas pipeline
- Coastal and oil spill response data
- Coastal management program data and etc.
- ESRI
- http://arcdata.esri.com/data/tiger2000/tiger_download.cfm
- Census
- Congressional districts
- Land marks
- Hydrography
- Rails
- Roads
- Digital Chart of the World
- http://www.maproom.psu.edu/dcw