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

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 ...

This article was originally published with the title “ The Topographic Maps Prepared by the United States Geological Survey ” in SA Supplements Vol. 65 No. 1691supp (May 1908), p. 347 doi:10. ...

The United States Geological Survey (USGS) recently posted online two moon maps — a photo mosaic and a topographic map — that were constructed using images and data captured by NASA's long ...