Despite its name, it is not for actually viewing maps but rather, it helps you find and download them. The maps in question are historical topographic maps of the US from the USGS’s vast collection.

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 ...

The USGS is a scientific agency that studies the landscape of the US, so they’ve been amassing data useful to hikers and ...

Any map-lovers looking to lose track of time for a few hours should say hello to the newly-arrived USGS Historical Topographic Map Explorer, which allows users access to a treasure trove of maps of ...

Many historical maps can also be accessed, with thousands more dating back 130 years being added in the near future, according to Avenza. The app provides constant access to geographic information and ...

The first three-year production cycle ended in September 2012, and the second cycle ended in September 2015. To compare change over time scans of legacy USGS topo maps, some dating back to the late ...

The map depicts where damaging earthquakes are most likely to occur using seismic studies, historical geological data and the latest in data-collection technology, which helped researchers ...

A team of more than 50 scientists and engineers created the map based on seismic studies, historical geological data and the latest data-collection technologies, according to the USGS.