Using scanned maps and data from the United States Geological Survey (USGS), Esri developed an interactive tool to explore topographic maps of the US.

Whether you're planning you next hike or wondering how hilly your next road trip will be, you can find elevations in Google ...

Topographical maps from the 19th century, like those created by the U.S. Geological Survey, can sell for hundreds of dollars. These maps are prized for their detailed depictions of landscapes and ...

THE practical problems involved in the interpretation of geological and topographical maps are here dealt with in a manner likely to appeal to students of geology and civil engineering. Having ...

Look closely as you drive around Christiansburg, Blacksburg and Montgomery County this week. Those V-shaped white plastic strips you spot on the ground are markers for the region's latest survey ...