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.

Researchers have created a unique map of the moon that reveals the geological make-up of our natural satellite. According to the United States Geological Survey (USGS), the so-called "Unified Geologic ...

No audio available for this content. Topobathymetric digital elevation model of the confluence of the Potomac and Shenandoah Rivers at Harper’s Ferry, West Virginia. (Image: USGS) The United States ...

The U.S. Geological Survey (USGS) announced that more than 400 new topographic maps are now available for the state of Alaska. The new maps are part of the U.S. Geological Survey Alaska Mapping ...

Accurate elevation maps are essential when calculating microwave paths over rugged terrain or the impact of mountains, hills and even buildings when predicting TV coverage. Much has changed since I ...

Bowman Consulting Group Ltd. has been chosen by the U.S. Geological Survey (USGS), in collaboration with Merrick & Company, to lead aerial lidar data collection for the 3D Elevation Program (3DEP), a ...

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 ...