Sponsored Links
Directory Sites
Download the boundaries and layers of different countries, in Arc/INFO export format.
www.maproom.psu.edu
GTOPO30 - Global Topographic Data
Digital elevation model (DEM) developed to meet the needs of geospatial data users for 30-arc second elevation data.
edcwww.cr.usgs.gov
Internet delivery of online digital and raster well logs, well data, GeoCadd culture, and Analytical software using esri and AutoDesk MapGuide and AnGIS technologies.
www.energisite.com
Provides free GIS data downloads and creates custom spatial data CD-ROMs.
www.gisdatadepot.com
Texas Natural Resources Information System
Clearinghouse for natural resources and GIS data. Online holdings include DOQs, DEMs and many vector datasets.
www.tnris.state.tx.us
Free downloadable GIS spatial data, metadata, and maps.
www.hawaii.gov
Digital raster graphics for GIS and CAD applications. Includes continental US coverage, full resolution topography.
www.mapfocus.com
Map layers available to the public.
www.nationalatlas.gov
Transnational Wadden Sea Information Service
Indices, GIS datasets and data source holders in countries around the Wadden Sea.
www.waddenseamaps.net
GIS data for the state of Tennessee. DOQQs, DRGs, DEMs, boundaries, wetlands, and geology.
www.tngis.org
Contains GIS and mapping data on the state of Louisiana.
atlas.lsu.edu
New Zealand land information and GIS services. Site offers some free data.
www.geographx.co.nz
This site provides free GIS data sets pertaining to the Rainwater Basin wetlands in Nebraska.
www.calmit.unl.edu
Data clearinghouse for the state of Rhode Island.
www.edc.uri.edu
Digital map database compiler focused on the Americas.
www.geographic.com