• What is GIS?
• What is GPS?
• FAQ’s about Geographic Information Systems (GIS)
• FAQ’s on Metadata @ USGS

• BLM Bureau of Land Management
• Census mapping engine
• FGDC Federal Geographic Data Committee Home Page
• FirstGOV
• Library of Congress Geography and Map Division
• National Atlas
• NGDC National Geophysical Data Center Home Page
• NOAA National Oceanic and Atmospheric Administration
• USGS United States Geological Survey Home Page
• USGS Geographic Data Download
• USGS National Mapping Information
• USGS National Geospatial Data Clearinghouse Metadata
• USGS National Satellite Land Remote Sensing Data Archive

• DIR State of Texas Department of Information Resources Home Page
• TGIC Texas Geographic Information Council Home Page
• TNRIS Texas Natural Resources Information Systems Home Page
• TNRIS Digital Data
• TWBD Texas Water Development Board Home Page
• TWBD GIS

• DCAD Dallas Central Appraisal District
• NCTCOG North Central Texas Council of Governments Home Page
• NCTCOG Geodata Warehouse
• SCAUG

• AutoDesk
• ERDAS
• ESRI
• Harvard Design and Mapping Company, Inc. GIS Portal
• Mentor Software, Inc. GIS Tips Archives
• Pacific Meridian Resources, Inc. The GIS Primer, An Introduction to GIS
• TAXNET the most comprehensive on-line source of property tax information
• Infotech

• Baylor University CAGSR Center for Applied Geography and Spatial Research
• Georgia State University Resources on Cartography, Mapping and GIS
• Harvard University GSD Graduate School of Design GIS Resources
• Arizona Electronic Atlas
• The University of Edinburgh GIS Resource List
• University of Arkansas, Fayetteville GIS Resource
• University of California INFOMINE GIS Resource
• University of Texas @ Dallas
• University of Texas Maps of United States National Parks and Monuments
• University of Texas Historical Maps
• University of Texas Perry-Castaneda Library Maps
• University of Texas GIS Documents, Interactive Information
• Universtiet Utrecht General Listing of Geography Sites

Internet Mapping

• Google Maps
• MSN Maps
• Internet Mapping From MapQuest
• Internet Mapping From Maps On Us
• National Geographic Map Machine

ArcView Scripts, Extensions and Other Programming Languages

• ESRI Scripts and Extensions
• GIS Data Depot ArcView Extensions
• Planet Source Code Various Programming Source Code
• The Code Project
• VB Links and Information

Other GIS Links

• GISLinx providing 1,700 GIS links on a variety of issues
• GeoCOMMUNITY Spatial Data Info Home Page
• GeoCOMMUNITY GIS Resource for the State of Texas by County
• Geography Network Census TIGER 2000 Data