Geology Subject Guide

Part of the USGS Store, this tool allows you find a location in all scales and editions of the USGS Topographic Map Series, including historical scales. Use the tool to view or download the images for free. The GeoPDF (US TOPO) series can be added as a base layer to a GIS system that reads the GeoPDF format.

Use this search to find publications of the US Geological Survey for your topic. Use the advance search to identify both the state and a smaller geographic area for your topic. Many publications are online and available for printing or downloading.

re3data.org is a global registry of research data repositories that covers research data repositories from different academic disciplines. It presents repositories for the permanent storage and access of data sets to researchers, funding bodies, publishers and scholarly institutions. re3data.org promotes a culture of sharing, increased access and better visibility of research data.

The mission of the North Carolina Geological Survey is to provide unbiased and technically accurate applied earth science information to address societal needs. This includes geologic maps, mineral resource and geochemical information, topographic maps and digital products, and earth science education initiatives. The agency examines, surveys and maps the geology, mineral resources and topography of the state, while encouraging the wise conservation and use of geologic resources by industry, commerce, agriculture and government for the general welfare of the citizens of North Carolina.

Find information about maps and cartographic resources such as geologic maps, geologic names, earth science databases, and topographic maps.

Reliable geologic and environmental datasets provided by the NOAA.

Data provided by the USDA.

NC OneMap is a public service providing comprehensive discovery of North Carolina's essential geospatial data. Spatial data is available for download free of charge.