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 ...

This month the U.S. Geological Survey (USGS) rolled out topoView 2.1, a modern web application built on an open source mapping platform that lets users discover, interact, and download historical USGS ...

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, ...

A map of Chicago, Illinois, imprinted in 1913 from the United States Geographical Survey’s historical topographic map collection. Image courtesy of the USGS Map lovers, rejoice! The United States ...

The United States Geological Survey has nearly completed its project to digitize over 200,000 topographical maps and create a free, searchable online archive The United States Geological Survey has ...

March 23, 1769 marks the birthday of pioneering stratigrapher William Smith, who is also credited with creating the first useful geological map, however like many other great accomplishments also ...

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 ...

To track down the former site of her great-great-great-grandfather’s Silicon Valley fruit orchard, Pamela Storm turned to a seemingly unlikely place: the U.S. Geological Survey, repository of ...