GIS and Cartography
Introductory Materials/Megasites
Software
Data
Local Facilities
Introductory Materials/Megasites
- GIS FAQ
- GIS Master Bibliography
- GIS Portal
- GIS WWW Server: University of Edinburgh/AGI
- GIS/Data Center at Rice University
- DOQ help
- GIS Tools(data conversion tools).
- Map History / History of Cartography
Software
- Download ArcGIS Explorer: a free GIS data viewer.
- U.S. Geological Survey (USGS) free digital data viewing software: allows for viewing of DLG, SDTS, and DRG files.
- Spatial Online: ArcView extensions, applications, utilities.
- Geographic Explorer (Blue Marble): free map viewer that allows conversion from one map file format to another.
- Global Mapper: a viewer capable of displaying the most popular raster, elevation, and vector datasets. It converts, edits, prints, and allows you to utilize GIS functionality on your datasets.
Data
- The GIS Data Depot: download free DRGs, DOQs, DLGs, DEMs, NWI watershed maps, land use, transportation, and vegetation maps and more. U.S. data arranged by county.
- TopoZone: complete topographic coverage of the U.S.
- ChartTiff: sells collarless/seamless topos and DRGs.
- ArcData: ESRI, Inc.
- Geography Network: global community of data providers.
- Global Environmental Data Sets from UNEP/GRID.
- USGS: National Mapping Program Standards.
- Tennessee Spatial Data Server.
- Data Sets for GIS Projects: links to free data sets, coordinate converters and more.
- GIS Data for Water Resources: for finding and accessing USGS spatial data related to water resources.
- List of Spatial Data Sets for Water.
- USGS Node of the National Geospatial Data Clearinghouse: provides a pathway to find information about geospatial or spatially referenced data available from USGS.
- Spatial Data Transfer Standard Information site: a robust way of transferring earth-referenced spatial data between dissimilar computer systems with the potential for no information loss.
- Mineral Resources On-Line Spatial Data.

