Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...
The Daily Galaxy on MSN
A New USGS Map Lets You See the Layers of Rock and Sediment Hidden Directly Beneath Your Feet
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 ...
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