LINCOLN — Michele Waszgis looks down at the boxes of rock samples positioned neatly on a table. She points and explains.

The nation's second-largest deposit of rare-earth magnet material is sitting under the ground in southeast Nebraska.That's the estimation of a geological study of the Elk Creek project released ...

Nature - The Extinct Mammalian Fauna of Dakota and Nebraska; together with a Synopsis of the Mammalian Remains of North America Skip to main content Thank you for visiting nature.com.