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 ...

No audio available for this content. This graphic represents the planned US Topo map production schedule for the next three- year revision cycle. The US Topo project repackages data from national GIS ...

It just got way, way easier to search and browse the US Geological Survey’s collection of historical topographic maps, thanks to a new online map viewer. These maps—more than 178,000 of them—date back ...

A few months ago we showed you Matt Fox’s excellent topographic maps of New Zealand, which were quite impressive. Over the years he’s had many requests to create similar maps with seamless USGS ...

Maps help us find, discover, and reach new places. Although the field of geography is focused on locations, it is also a ...