Nat Geo’s PDF map service brings a new (and welcome) level of convenience to using topographic maps, but don’t expect it to replace good ol’ fold-out maps quite yet. The USGS-produced digital topos ...

The New Easy Way to Print Topographic Maps for Free. National Geographic's new site puts every USGS quadrangle map at your fingertips. By Jay Bennett Published: Aug 12, 2016 4:23 PM EDT.

Now you've got one less excuse not to venture into the wilderness. National Geographic just launched a website that lets you find and print a PDF of any U.S. Geological Survey (USGS) quad map across ...