A detailed representation of a landscape, created by the United States Geological Survey, and a rare example of something every bit as beautiful as it is useful. The charts were the brainchild of ...

The USGS Topographic Map Explorer is an incredible tool allowing users to access a vast archive of maps, layer them on top of each other, and toggle the transparency for hours of productivity-killing ...

Good thing it’s almost the holiday weekend and you don’t need to be productive because the USGS just launched a heck of a time-wasting website. Now you can explore cities through beautiful old maps, ...

During the latter half of the twentieth century, the backbone of the U.S. Geological Survey’s national mapping effort was the 7.5-minute topographic quadrangle. These detailed printed maps defined ...