Home > Data Catalog > Data Dictionary

TNRIS FTP site

The TNRIS FTP site is organized by USGS degree block or County.

To locate available datasets via FTP, download the StratMap County Boundaries, and the USGS Indices. Note: For the USGS Indices, the USGS 24k Index shapefile includes the TEXAS_NUM column which corresponds to the file name on the quad data.

Data available by County:
  • Original Texas Land Survey
  • FEMA Q3
  • US Census
  • Transportation
  • TxDOT Urban File
Data available by Quadrangle
  • 24k DRG
  • 100k DRG
  • 250k DRG
  • 250k GAT
  • National Wetlands Inventory Maps
  • StratMap Contours
  • Elevation
  • National Hydrologic Datasets
  • Satellite Imagery
Data available by Quarter Quadrangle
  • 1996 TOP 1m CIR
  • 1996 TOP 2.5m CIR
  • 2004 NAIP 1m CIR
  • 2005 NAIP 2m NC
  • 2006 NAIP 2m CIR
  • 2008 TX F Srvc 1m CIR
  • 2008-09 TOP .50m CIR/NC
  • 2009 TOP 1m CIR/NC

Click here to continue to the FTP site.

Layer Spotlight

Layer Spotlight is a new way to showcase the rich, extensive geographic data housed at TNRIS. It is a chance to view and explore a data layer before downloading.

It is part of the implementation of a new data viewing application incorporating Microsoft Virtual Earth® software. In the future, as TNRIS further develops its data dissemination tools, keep an eye out for even more robust and dynamic applications.

Close