The USGS publishes a geological map that reveals the underground layers of the U.S. and supports environmental education and ...

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

The USGS has unveiled a new interactive map that descriptively shows rocks across the U.S. as it pushes efforts to standardize resources.

The USGS publishes free topographic maps that show trails, rivers, and campsites in great detail for hikers, cyclists, and ...

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

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 ...

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 ...

“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 ...

The U.S. Geological Survey is using TerraGo Technologies' GeoPDF format to make its primary base series quadrangle maps available online. The USGS GeoPDF maps can be ...

Last week's magnitude-5.2 earthquake in southern Illinois is a reminder that earthquakes are a national hazard, says the U.S. Geological Survey, which earlier this week released an updated version of ...

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 ...