Larson CGM - A supplier of CGM plotting and viewing software. Includes a free CGM viewer for Windows.

SDI - System Development, Inc. - Another supplier of CGM plotting and viewing software.

WebGIS - Resource page providing DLG, DEM and Land use digital data - for free download.

A Catalog of Porosity and Permeability from Core Plugs in Siliciclastic Rocks.

Visible Earth (NASA) - A searchable directory of satellite imagery, visualizations, and animations of Earth.

Links to Coordinates, Datums, and Transformation Information

Magnetic Declination calculation site

Bibliography of Borehole Geophysics as Applied to Ground Water Hydrology

Coastline Data for Geopolitical Maps - a site that provides coastlines as lat/long coordinates - use the MapGen format for importing coastlines into the TerraStation. Courtesy of NOAA.

Internet Petroleum Resources - a huge list of industry related web sites - colleges, societies, surveys, companies, etc.

Convert Degrees Minutes Seconds to Decimal Degrees - a useful on-line utility. No need to download anything.

National Geospatial Intelligence Agency web site. - a source of spheroid and projection information.

Fault Analysis Group, University College, Dublin. - a unique site providing folding paper models to explain how faults work. The models can be downloaded for you to put together.