If you've ever wondered what the elevation of your location is, you can find out with Google Maps on both desktop and mobile.

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

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

In what promises to change not only flood management but also urban planning in Chennai and its suburbs, the Anna University is preparing the first-ever contour map of the city which will determine ...