The United States Geological Survey (USGS) continues to support the delivery of its digital maps through Avenza Systems Inc.‘s PDF Maps app. It has widened the selection to more than 120,000 US Topo ...

Paper maps can still be bought at most outdoor stores or through the USGS online database. The digital versions are available through the Topo Maps app, which allows users to navigate even without ...

The wider selection of more than 120,000 US Topo maps on a popular digital mapping platform provides digital users access to USGS' rich map content, and extends its reach with a growing base of ...

WASHINGTON DC — Hikers, hunters and other outdoor recreationists will be pleased to know that free digital topographic maps are now available online from the U.S. Geological Survey.

“US Topo” is the next generation of topographic maps from the U.S. Geological Survey. Digital US Topo maps are designed to look, feel, and perform like the traditional paper topographic maps ...

Hunting for historical topo maps on the USGS site used to be confusing and annoying. It involved a lot of clicking on what you hoped was the right thing, squinting at the tiny preview maps ...

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 ...

The USGS also uses “shake stations” — denoted by colored circles in the map above — to measure the magnitude of earthquakes across the country, and it process the data to make contour maps.

Many Alaskans are well familiar with the existing USGS topo maps, which were a feat to create decades ago, Mastrodicasa said. But Alaska is big and hard to map. The old maps are generations behind ...

The U.S. Geological Survey (USGS) announced that more than 400 new topographic maps are now available for the state of Alaska. The new maps are part of the U.S. Geological Survey Alaska Mapping ...

Beginning in the 1940s, the U.S. Geological Survey’s National Mapping ... for example–and then select from available topo maps of the area by clicking on red marker icons that pop up on ...