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 ...

The U.S. Geological Survey is using TerraGo Technologies' GeoPDF format to make its primary base series quadrangle maps available online. The USGS GeoPDF maps can be ...

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 ...

We have in the past looked at a lot of content provided by the USGS. The USGS is the provider of the data for the ‘earthquakes layer’ in Google Earth. We also looked at some of their future plans, ...

Those giant maps gathering dust in the corner of your favorite outdoor store have finally been brought into the 21st century. National Geographic‘s new service, launched last week on their Maps site, ...

SANTA CLARA, CA – May 8, 2012 – Magellan, a leader of innovative GPS devices for vehicles, outdoor and mobile navigation, today announced the availability of National Geographic's TOPO!, the most ...

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 ...

In the latter half of the twentieth century, the backbone of the U.S. Geological Survey (USGS) national mapping effort consisted of 7.5-minute topographic quadrangles. Completion of that series in ...

A detailed representation of a landscape, created by the United States Geological Survey, and a rare example of something every bit as beautiful as it is useful. The charts were the brainchild of ...

For outdoor lovers, no map is more iconic – or useful – than a USGS topo map. While the concentric, sepia lassos of elevation are the maps’ visual signature, their real power is the cross-referenced ...