TwistedSifter on MSN
New Geologic Map Of The United States Is The Most Detailed Ever Created
A geologic map is made to show the reader information about the geological formations of the land, including detailed ...
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 ...
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