The maps in question are historical topographic maps of the US from the USGS’s vast collection. USGS topoView The maps can be downloaded in various formats, including KMZ for viewing in Google ...

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 ...

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

The USGS Historical Topographic Map Explorer pulls over 178,000 maps of the U.S. into a clean little app. Once you select a geographic area ...

To compare change over time scans of legacy USGS topo maps, some dating back to the late 1800s, can be downloaded from the USGS Historical Topographic Map Collection. You May Also Like. ComNav ...

“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 ...

Nearly 75% of the U.S., including Alaska and Hawaii, could experience a damaging earthquake sometime within the next century, USGS study finds.

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.