Mapping out geology across the U.S. is surprisingly difficult, but the USGS has managed just that, and its map is more ...

The U.S. Geological Survey has free maps that might come in handy. The public topoBuilder app is now offering custom maps ...

In late August, the U.S. Geological Survey quietly released a new tool that could reshape how Americans understand the ground ...

It just got way, way easier to search and browse the US Geological Survey’s collection of historical topographic maps, thanks to a new online map viewer. These maps—more than 178,000 of them—date back ...

“US Topo” is the next generation of topographic maps from the U.S. Geological Survey. Digital US Topo maps are designed to look, feel, and perform like the traditional paper topographic maps for which ...

New perk: Easily find new routes and hidden gems, upcoming running events, and more near you. Your weekly Local Running Newsletter has everything you need to lace up! Subscribe today. A detailed ...

A first-ever study from the U.S. Geological Survey found roughly 40 percent of groundwater contains lithium above EPA’s health reference level. The U.S. Geological Survey mapped for the first time ...

Drawing on data from satellites and Apollo-era missions, scientists at the US Geological Survey (USGS), NASA and the Lunar Planetary Institute have pieced together what they say is the first ...

Chloride and nitrate concentrations are rising and arsenic levels are holding steady or falling. Those are two of the conclusions from a U.S. Geological Survey assessment of changes in the nation’s ...

Beginning in the 1940s, the U.S. Geological Survey’s National Mapping Program was tasked with the immense cartographical feat of surveying the entire country to create a series of more than 50,000 ...