National Geographic’s free USGS topos on multi-page PDFs 1 comment
You can’t really know a Civil War battle if you don’t know the geography of the battlefield. “National Geographic has built an easy to use web interface that allows anyone to quickly find any 7.5 minute topo in the continental U.S.A. for downloading and printing. Each topo has been pre-processed to print on a standard home, letter size printer. These are the same topos that were printed by USGS for […]