Geology & Earth Sciences

ESS-DIVE is a freely accessible online platform, tool, and resource to store, share, and discover Environmental Systems Science (ESS) program data funded by the United States Department of Energy.

Comprehensive website containing links to resources on groundwater including definitions, publications and data.

From the National Geophysical Data Center, provides extensive survey coverage of the coastal waters and Exclusive Economic Zone (EEZ) of the United States and its territories. Includes links to the Hydrographic Survey Data Map Service.

Links to VA Statewide Streamflow Table, VA Statewide Ground-Water Table, and VA Statewide Water-Quality Table.

Links to MD Statewide Streamflow Table, MD Statewide Ground-Water Table and MD Statewide Water-Quality Table.

Links to DC Statewide Streamflow Table, DC Statewide Ground-Water Table and DC Statewide Water-Quality Table.

This infoguide from Mason Libraries has plenty of resources to start your journey with GIS

General-use maps at medium scales that present elevation (contour lines), hydrography, geographic place names, and a variety of cultural features

A catalog of the datasets that have been tested to work well for access with the Geo Data Portal

An interactive database with over 90,000 maps

Digital geological map data from an international collaboration of the geological surveys of the world

The single authoritative source of soil survey information, this resource covers 95% of U.S. counties

The Geologic Data Subcommittee (GDS) of the Federal Geographic Data Committee (FGDC) is responsible for coordination of geologic data-related activities

By law, maintains uniform geographic name usage throughout the Federal Government

A website for viewing USGS maps, exploring base-layer GIS data, and creating your own web map

A primer on maps from American Geosciences Institute