However, topographic maps, which depict physical features of the Earth’s surface, commonly use a variety of symbols. Here are five broad categories of symbols you’ll likely encounter on a ...

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

Back then, it was a regional list, conceived as an objective way to determine which mountains in the Indonesian archipelago would probably be worth attempting to hike at weekends. We developed the ...