The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...
The USGS has unveiled a new interactive map that descriptively shows rocks across the U.S. as it pushes efforts to standardize resources.
In late August, the U.S. Geological Survey quietly released a new tool that could reshape how Americans understand the ground ...
Whether you're an avid rock collector or simply interested in the world around you — this new tool is designed to make ...
Geologic maps are used to locate natural resources, such as water or oil, or the best place to hunt for fossils, but they can also be eye catching works of art. Sharon Purdy A low-lying topographic ...