U.S. Congress created the agency to “classify the public lands and examine the geological structure, mineral resources and ...

The USGS has revealed than around 71 to 95 million Americans may rely on groundwater supplies with detectable levels of PFAS.

In the case of USGS Hawaiian Volcano Observatory geologic mapping on the Island of Hawaii, the primary map units of interest are volcanic vents (such as fissures and scoria cones) and their ...