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A Guide to Spatial Data Sources on the World Wide Web

Starting Points
Texas Data Organizations
The Geography Network Texas Natural Resources Information System (TNRIS) American Congress on Surveying and Mapping
The GIS Portal! Lower Neches Valley Authority American Society for Photogrammetry and Remote Sensing
The WWW Virtual Library: Cartography, Geodesy, and GIS Texas Department of Transportation Geospatial Information & Technology Association
General Sources Texas Historical Commission URISA (Urban and Regional Information Systems Association)
GIS Data Depot A Repository of Spatial Data Sponsored by Geo Community Texas General Land Office U S Geological Survey
Global Spatial Data Infrastructure National Data National Mapping Information
ESRI, Inc. / Free Software, Data and Resources Environmental Protection Agency: Surf Your Watershed National Geospatial Data Clearinghouse
Blue Marble Geographics Federal Emergency Management Agency USGS SDTS Information Site
Prentice-Hall, Inc./ Getting Started with Geographic Information Systems, by Keith C. Clarke/ Chapter 5/ GIS Resources US Census Bureau National Satellite Land Remote Sensing Data Archive
GIS World, Inc   Mapping Applications Center
Mid-Continent Mapping Center
Rocky Mountain Mapping Center
Western Mapping Center
National Elevation Dataset
National Wetlands Research Institute

 

 




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