Going for a hike this fall? The U.S. Geological Survey has free maps that might come in handy. The public topoBuilder app is now offering custom maps made free with their 25K Recreational Topo layer.

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 ...

In what the agency hopes will spur a major leap in American geoscience, the U.S. Geological Survey has released a new mapping tool that allows anyone to peer into the earth beneath their feet. Dubbed ...

Now you've got one less excuse not to venture into the wilderness. National Geographic just launched a website that lets you find and print a PDF of any U.S. Geological Survey (USGS) quad map across ...

Finding the right map for the trip at hand has always posed certain hard choices. Do you go for one heavy on the topography contours, or one with legible road numbers? Hydrographic features or better ...

USGS released its most detailed national geologic map, offering layered views of geology beneath the Earth’s surface across the lower 48 states. The Cooperative National Geologic Map integrates data ...

Two years ago, a mountain biker, frustrated because he could not find free, official topographic maps online, submitted a Freedom of Information Act request to the U.S. Geological Survey. After USGS ...

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 ...