While investigating the Ségognole 3 cave south of Paris, Scientists identified unique engravings that could be the oldest 3D ...

A team of USGS researchers in Flagstaff are working to develop an all new geologic map of the Grand Canyon region.

“Metes & Bounds” is a mapmaking system that takes natural landscape features and uses them as references for measurements and boundaries. “‘Metes’ is French for distance, and ‘bounds’ refers to ...